A. Lange & Sohne Lange 31 Watches index

Details (11 results)

• Sale date : 10/06/2021

  Country : United States

  
  

  Sothebys #10701 - 2021-06 - Important Watches

  New York

  Lot ID : 294

   

  • USD
  • EUR
  • USD

  Sold:

  • 69300
  • 49425
  • 69300

  Estimation:

  • 50000 - 80000
  • 35660 - 57056
  • 50000 - 80000

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2010's

  Movement : Mechanical

  Caliber : 034 T

  Case material : Pink gold

  With diamonds : Yes :

  Reference Detail : 130 . 032F LANGE 31 ,

  Diameter : ,signedcase,dialmo

  Complications : Date, Power reserve

  
  

  A. Lange & Söhne

  
  

  Description : Reference 130.032F Lange 31,A pink gold wristwatch with date, power reserve and zero-reset mechanism, Circa 2010,Dial: silvered,Caliber: cal. 034.1 mechanical, 62 jewels,Movement number: 80'074,Case: 18k pink gold, sapphire crystal display back secured by six screws,Case number: 190'025,Closure: 18k pink gold A. Lange & Söhne folding buckle,Size: 46 mm diameter,Signed: case, dial and movement,Box: yes,Papers: yes,Accessories: A. Lange & Söhne presentation box with outer packaging, International Guarantee book (undated), instructions manual, leather bi-fold and socket key

  A. Lange & Söhne

  Minimise description Read our expert's description

  Description : Reference 130.032F Lange 31,A pink gold wristwatch with date, power reserve and zero-reset mechanism, Circa 2010,Dial: silvered,Caliber: cal. 034.1 mechanical, 62 jewels,Movement number: 80'074,Case: 18k pink gold, sapphire crystal display back secured by six screws,Case number: 190'025,Closure: 18k pink gold A. Lange & Söhne folding buckle,Size: 46 mm diameter,Signed: case, dial and movement,Box: yes,Papers: yes,Accessories: A. Lange & Söhne presentation box with outer packaging, International Guarantee book (undated), instructions manual, leather bi-fold and socket key
• Sale date : 10/06/2021

  Country : United States

  
  

  Sothebys #10701 - 2021-06 - Important Watches

  New York

  Lot ID : 293

   

  • USD
  • EUR
  • USD

  Sold:

  • 81900
  • 58411
  • 81900

  Estimation:

  • 60000 - 90000
  • 42792 - 64188
  • 60000 - 90000

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2010's

  Movement : Mechanical

  Caliber : L034 T

  Case material : Platinum

  With diamonds : Yes :

  Reference Detail : 130 . 025F LANGE 31 ,

  Diameter : ,signedcase,dialmo

  Complications : Date, Power reserve

  
  

  A. Lange & Söhne

  
  

  Description : Reference 130.025F Lange 31,A platinum wristwatch with date and power reserve indication, Circa 2010,Dial: silvered,Caliber: cal. L034.1 mechanical, 62 jewels,Movement number: 69'819,Case: platinum, sapphire crystal display back secured by six screws,Case number: 179'812,Closure: platinum A. Lange & Söhne buckle,Size: 46 mm diameter,Signed: case, dial and movement,Box: yes,Papers: yes,Accessories: A. Lange & Söhne presentation box with outer packaging, International Guarantee book (undated), operating instructions, leather book holder, polishing cloth and socket key

  A. Lange & Söhne

  Minimise description Read our expert's description

  Description : Reference 130.025F Lange 31,A platinum wristwatch with date and power reserve indication, Circa 2010,Dial: silvered,Caliber: cal. L034.1 mechanical, 62 jewels,Movement number: 69'819,Case: platinum, sapphire crystal display back secured by six screws,Case number: 179'812,Closure: platinum A. Lange & Söhne buckle,Size: 46 mm diameter,Signed: case, dial and movement,Box: yes,Papers: yes,Accessories: A. Lange & Söhne presentation box with outer packaging, International Guarantee book (undated), operating instructions, leather book holder, polishing cloth and socket key
• Sale date : 11/07/2020

  Country : Hong Kong SAR China

  
  

  Sothebys #20935 - 2020-07 - Important Watches

  Hong Kong

  Lot ID : 2160

   

  • HKD
  • EUR
  • USD

  Sold:

  • 500000
  • 45900
  • 64350

  Estimation:

  • 450000 - 650000
  • 41310 - 59670
  • 57915 - 83655

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2000's

  Movement : Mechanical

  Caliber : CAL L034 T

  Case material : Platinum

  With diamonds : Yes :

  Bracelet material : *croco*

  Reference Detail : 130 . 025 BRAND NEW

  Complications : Date, Power reserve

  
  

  A. LANGE & SÖHNE | LANGE 31, REFERENCE 130.025 A BRAND NEW PLATINUM WRISTWATCH WITH DATE, POWER RESERVE INDICATION AND ZERO-RESET MECHANISM, CIRCA 2007 | 朗格 | Lange 31 型號130.025 全新鉑金腕錶，備日期、動力儲備顯示及歸零裝置，機芯編號69802，錶殼編號179823，約2007年製

  
  

  Description : A. LANGE & SÖHNE,朗格,LANGE 31, REFERENCE 130.025,A BRAND NEW PLATINUM WRISTWATCH WITH DATE, POWER RESERVE INDICATION AND ZERO-RESET MECHANISM, CIRCA 2007,Lange 31 型號130.025,全新鉑金腕錶，備日期、動力儲備顯示及歸零裝置，機芯編號69802，錶殼編號179823，約2007年製,附帶保證書、說明書、鑰匙及盒子,Dial: silvered,Calibre: cal. L034.1 mechanical, 62 jewels,Movement number: 69'802,Case: platinum, sapphire crystal display back secured by 6 screws,Case number: 179'823,Closure: black A. Lange & Söhne alligator strap and platinum buckle,Size: 46 mm diameter,Signed: case, dial and movement,Accessories: A. Lange & Söhne Garantie, instruction manual, socket key and presentation box

  A. LANGE & SÖHNE | LANGE 31, REFERENCE 130.025 A BRAND NEW PLATINUM WRISTWATCH WITH DATE, POWER RESERVE INDICATION AND ZERO-RESET MECHANISM, CIRCA 2007 | 朗格 | Lange 31 型號130.025 全新鉑金腕錶，備日期、動力儲備顯示及歸零裝置，機芯編號69802，錶殼編號179823，約2007年製

  Minimise description Read our expert's description

  Description : A. LANGE & SÖHNE,朗格,LANGE 31, REFERENCE 130.025,A BRAND NEW PLATINUM WRISTWATCH WITH DATE, POWER RESERVE INDICATION AND ZERO-RESET MECHANISM, CIRCA 2007,Lange 31 型號130.025,全新鉑金腕錶，備日期、動力儲備顯示及歸零裝置，機芯編號69802，錶殼編號179823，約2007年製,附帶保證書、說明書、鑰匙及盒子,Dial: silvered,Calibre: cal. L034.1 mechanical, 62 jewels,Movement number: 69'802,Case: platinum, sapphire crystal display back secured by 6 screws,Case number: 179'823,Closure: black A. Lange & Söhne alligator strap and platinum buckle,Size: 46 mm diameter,Signed: case, dial and movement,Accessories: A. Lange & Söhne Garantie, instruction manual, socket key and presentation box
• Sale date : 11/05/2019

  Country : Switzerland

  
  

  Antiquorum #321 - 2019-05 - Important Modern & Vintage Timepieces

  Genève

  Lot ID : 375

   

  • CHF
  • EUR
  • USD

  Sold:

  • 45000
  • 36716
  • 51449

  Estimation:

  • 35000 - 45000
  • 28557 - 36716
  • 40016 - 51449

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Movement : Mechanical

  Caliber : L034 KEY WINDING M

  Case material : Pink gold

  With diamonds : Yes :

  Reference Detail : 130 . 032 , LANGE 31 ,

  Clasp type : Folding clasp

  Complications : Date, Power reserve

  
  

  LANGE & SOHNE, REF. 130.032, LANGE 31, PINK GOLD, NEW OLD STOCK

  
  

  Description : LANGE & SOHNE, REF. 130.032, LANGE 31, PINK GOLD, NEW OLD STOCK. A very fine and extremely rare, manual wind, 18k pink gold wristwatch with 31-day power reserve, button in the band for date adjustment, sapphire crystal display back secured by 6 screws and key winding system at case back. Brand A.Lange & Söhne. Model Lange31. Reference 130.032F. Year Circa 2014. Movement No. 81812. Calibre L034.1 key winding movement, 62 jewels. Case No. 208527. Bracelet Leather with a gold 18kt rose gold original clasp. Dimensions 46 mm. Signature Dial, Case and Movement. Accessories Original box, original certificate of origin, key winding system, full set. CHF 35,000 - 45,000. HKD 280,000 - 360,000 / USD 35,000 - 45,000. Sold: CHF 45,000

  LANGE & SOHNE, REF. 130.032, LANGE 31, PINK GOLD, NEW OLD STOCK

  Minimise description Read our expert's description

  Description : LANGE & SOHNE, REF. 130.032, LANGE 31, PINK GOLD, NEW OLD STOCK. A very fine and extremely rare, manual wind, 18k pink gold wristwatch with 31-day power reserve, button in the band for date adjustment, sapphire crystal display back secured by 6 screws and key winding system at case back. Brand A.Lange & Söhne. Model Lange31. Reference 130.032F. Year Circa 2014. Movement No. 81812. Calibre L034.1 key winding movement, 62 jewels. Case No. 208527. Bracelet Leather with a gold 18kt rose gold original clasp. Dimensions 46 mm. Signature Dial, Case and Movement. Accessories Original box, original certificate of origin, key winding system, full set. CHF 35,000 - 45,000. HKD 280,000 - 360,000 / USD 35,000 - 45,000. Sold: CHF 45,000
• Sale date : 28/05/2018

  Country : Hong Kong SAR China

  
  

  Christies #16128 - 2018-05 - Important Watches and Private Collections

  Hong Kong

  Lot ID : 2414

   

  • HKD
  • EUR
  • USD

  Sold:

  • 687500
  • 63113
  • 88481

  Estimation:

  • 480000 - 650000
  • 44064 - 59670
  • 61776 - 83655

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2010's

  Movement : Mechanical

  Case material : Platinum

  Reference Detail : 130 . 025 ,

  Clasp type : Folding clasp

  Complications : Date, Power reserve

  
  

  A. LANGE & SÖHNE. A FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE

  
  

  Description : A. LANGE & SÖHNE. A FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE;SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31, REF. 130.025, MOVEMENT NO. 80'091, CASE NO. 191’809, CIRCA 2012;Movement: Cal. L 034.1, manual, 62 jewels, signed;Dial: Signed;Case: Glazed display back secured by 6 screws with aperture for winding mechanism, 46 mm. diam., signed;With: Platinum A. Lange & Söhne deployant clasp, undated International Guarantee, instruction manual, two winding tools, product literature, presentation box and outer packaging

  A. LANGE & SÖHNE. A FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE

  Minimise description Read our expert's description

  Description : A. LANGE & SÖHNE. A FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE;SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31, REF. 130.025, MOVEMENT NO. 80'091, CASE NO. 191’809, CIRCA 2012;Movement: Cal. L 034.1, manual, 62 jewels, signed;Dial: Signed;Case: Glazed display back secured by 6 screws with aperture for winding mechanism, 46 mm. diam., signed;With: Platinum A. Lange & Söhne deployant clasp, undated International Guarantee, instruction manual, two winding tools, product literature, presentation box and outer packaging
• Sale date : 02/04/2018

  Country : Hong Kong SAR China

  
  

  Sothebys #hk0789 - 2018-04 - Important Watches

  Hong Kong

  Lot ID : 2869

   

  • HKD
  • EUR
  • USD

  Sold:

  • 562500
  • 51638
  • 72394

  Estimation:

  • 420000 - 550000
  • 38556 - 50490
  • 54054 - 70785

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2000's

  Movement : Mechanical

  Caliber : L034 T

  Case material : Pink gold

  Dial color : White

  Diameter : 46 mm

  Dimensions : 46 mm

  Complications : Date, Power reserve

  
  

  A. Lange & Söhne A FINE AND RARE PINK GOLD WRISTWATCH WITH 31-DAY POWER RESERVE AND DATE CASE 190044 LANGE 31 CIRCA 2009

  
  

  Description : • cal. L034.1 manual winding three-quarter plate movement, 62 jewels • white dial, applied baton indexes, subsidiary seconds, fan-form sector for power reserve at 3, aperture for date • 18k pink gold case, push button for date adjustment at case band, sapphire crystal display back secured by 6 screws and key winding system at case back • case, dial and movement signed • with an 18k pink gold A. Lange & Söhne buckle;diameter 46 mm

  A. Lange & Söhne A FINE AND RARE PINK GOLD WRISTWATCH WITH 31-DAY POWER RESERVE AND DATE CASE 190044 LANGE 31 CIRCA 2009

  Minimise description Read our expert's description

  Description : • cal. L034.1 manual winding three-quarter plate movement, 62 jewels • white dial, applied baton indexes, subsidiary seconds, fan-form sector for power reserve at 3, aperture for date • 18k pink gold case, push button for date adjustment at case band, sapphire crystal display back secured by 6 screws and key winding system at case back • case, dial and movement signed • with an 18k pink gold A. Lange & Söhne buckle;diameter 46 mm
• Sale date : 05/12/2017

  Country : United States

  
  

  Sothebys #n09697 - 2017-12 - Important Watches

  Lot ID : 906

   

  • USD
  • EUR
  • USD

  Sold:

  • 81250
  • 57948
  • 81250

  Estimation:

  • 50000 - 70000
  • 35660 - 49924
  • 50000 - 70000

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2000's

  Caliber : L034 THREE QUARTER T

  Case material : Platinum

  Clasp type : Folding clasp

  Diameter : 46 mm

  Dimensions : 46 mm

  Complications : Date, Power reserve

  
  

  A. Lange & Söhne AN IMPRESSIVE PLATINUM WRISTWATCH WITH DATE AND 31 DAY POWER RESERVE INDICATION MVT 81824 CASE 191807 LANGE 31 CIRCA 2007

  
  

  Description : • cal. L034.1 three quarter plate German silver key winding movement, 62 jewels, Nivarox balance spring • silvered dial, applied faceted baton indexes, Lancette hands, subsidiary seconds, twin apertures for date, fan form sector for 31 day power reserve indication, outer minute divisions • platinum case, date engaged through pusher to the case band, sapphire crystal display back secured by six screws, key winding mechanism to the case back • case, dial, and movement signed • with a platinum A. Lange & Söhne folding clasp;diameter 46 mm

  A. Lange & Söhne AN IMPRESSIVE PLATINUM WRISTWATCH WITH DATE AND 31 DAY POWER RESERVE INDICATION MVT 81824 CASE 191807 LANGE 31 CIRCA 2007

  Minimise description Read our expert's description

  Description : • cal. L034.1 three quarter plate German silver key winding movement, 62 jewels, Nivarox balance spring • silvered dial, applied faceted baton indexes, Lancette hands, subsidiary seconds, twin apertures for date, fan form sector for 31 day power reserve indication, outer minute divisions • platinum case, date engaged through pusher to the case band, sapphire crystal display back secured by six screws, key winding mechanism to the case back • case, dial, and movement signed • with a platinum A. Lange & Söhne folding clasp;diameter 46 mm
• Sale date : 13/10/2017

  Country : Hong Kong SAR China

  
  

  Sothebys #hk0752 - 2017-10 - Fine Timepieces

  Lot ID : 9485

   

  • EUR
  • EUR
  • USD

  Not sold

  • ...
  • ...
  • ...

  Estimation:

  • 500000 - 600000
  • 45900 - 55080
  • 64350 - 77220

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2000's

  Caliber : L034 KEY WINDING M

  Case material : Pink gold

  Dial color : White

  Diameter : 46 mm

  Dimensions : 46 mm

  Complications : Date, Power reserve

  
  

  A. Lange & Söhne A FINE AND RARE PINK GOLD WRISTWATCH WITH 31-DAY POWER RESERVE AND DATE CASE 190044 LANGE 31 CIRCA 2009

  
  

  Description : • cal. L034.1 key winding movement, 62 jewels • white dial, applied baton indexes, subsidiary seconds, fan-form sector for power reserve at 3, aperture for date • 18k pink gold case, push button for date adjustment at case band, sapphire crystal display back secured by 6 screws and key winding system at case back • case, dial and movement signed • with an 18k pink gold A. Lange & Söhne buckle;diameter 46 mm

  A. Lange & Söhne A FINE AND RARE PINK GOLD WRISTWATCH WITH 31-DAY POWER RESERVE AND DATE CASE 190044 LANGE 31 CIRCA 2009

  Minimise description Read our expert's description

  Description : • cal. L034.1 key winding movement, 62 jewels • white dial, applied baton indexes, subsidiary seconds, fan-form sector for power reserve at 3, aperture for date • 18k pink gold case, push button for date adjustment at case band, sapphire crystal display back secured by 6 screws and key winding system at case back • case, dial and movement signed • with an 18k pink gold A. Lange & Söhne buckle;diameter 46 mm
• Sale date : 02/10/2017

  Country : Hong Kong SAR China

  
  

  Sothebys #hk0743 - 2017-10 - Important Watches

  Lot ID : 2363

   

  • HKD
  • EUR
  • USD

  Sold:

  • 600000
  • 55080
  • 77220

  Estimation:

  • 480000 - 600000
  • 44064 - 55080
  • 61776 - 77220

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2000's

  Caliber : L034 KEY WINDING M

  Case material : Pink gold

  Dial color : White

  Clasp type : Folding clasp

  Diameter : 46 mm

  Dimensions : 46 mm

  Complications : Date, Power reserve

  
  

  A. Lange & Söhne A FINE AND RARE PINK GOLD WRISTWATCH WITH 31-DAY POWER RESERVE AND DATE CASE 190012 LANGE 31 CIRCA 2009

  
  

  Description : • cal. L034.1 key winding movement, 62 jewels • white dial, applied baton indexes, subsidiary seconds, fan-form sector for power reserve at 3, date aperture • 18k pink gold case, push button for date adjustment at case band, sapphire crystal display back secured by 6 screws and key winding system at case back • case, dial and movement signed • with an 18k pink gold A. Lange & Söhne folding clasp;diameter 46 mm

  A. Lange & Söhne A FINE AND RARE PINK GOLD WRISTWATCH WITH 31-DAY POWER RESERVE AND DATE CASE 190012 LANGE 31 CIRCA 2009

  Minimise description Read our expert's description

  Description : • cal. L034.1 key winding movement, 62 jewels • white dial, applied baton indexes, subsidiary seconds, fan-form sector for power reserve at 3, date aperture • 18k pink gold case, push button for date adjustment at case band, sapphire crystal display back secured by 6 screws and key winding system at case back • case, dial and movement signed • with an 18k pink gold A. Lange & Söhne folding clasp;diameter 46 mm
• Sale date : 30/05/2016

  Country : Hong Kong SAR China

  
  

  Christies #12572 - 2016-05 - Important Watches

  Convention Hall

  Lot ID : 2612

   

  • HKD
  • EUR
  • USD

  Sold:

  • 625000
  • 57375
  • 80438

  Estimation:

  • 500000 - 700000
  • 45900 - 64260
  • 64350 - 90090

  
  

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2010's

  Movement : Mechanical

  Caliber : L034 T

  Case material : Platinum

  Case form : Round

  Reference Detail : 130 . 025 ,

  Clasp type : Folding clasp

  Complications : Date, Power reserve

  
  

  A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE

  
  

  Description : A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE.SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31 MODEL, REF. 130.025, MOVEMENT NO. 80'045, CASE NO. 179'861, CIRCA 2012.Cal. L034.1 mechanical movement, 62 jewels, silvered dial, applied baton numerals, sector for 31 day power reserve, large double apertures for date, subsidiary seconds, heavy circular case, button in the band for date adjustment, glazed display back secured by six screws with aperture for key winding mechanism for 31 day power reserve, platinum A. Lange & Söhne deployant clasp, case, dial and movement signed.46 mm. diam..US$65,000-90,000

  A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE

  Minimise description Read our expert's description

  Description : A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE.SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31 MODEL, REF. 130.025, MOVEMENT NO. 80'045, CASE NO. 179'861, CIRCA 2012.Cal. L034.1 mechanical movement, 62 jewels, silvered dial, applied baton numerals, sector for 31 day power reserve, large double apertures for date, subsidiary seconds, heavy circular case, button in the band for date adjustment, glazed display back secured by six screws with aperture for key winding mechanism for 31 day power reserve, platinum A. Lange & Söhne deployant clasp, case, dial and movement signed.46 mm. diam..US$65,000-90,000
• A. Lange & Sohne : Lange 31
  Sale date : 03/06/2015

  Country : Hong Kong SAR China

  
  

  Christies #3429 - 2015-06 - Important Watches

  Hong Kong

  Lot ID : 2712

  Brand : A. Lange & Sohne

  Model : Lange 31

  
  

  Category : Wrist Watch

  Period : 2010's

  Movement : Mechanical

  Caliber : L034 T

  Case material : Platinum

  Case form : Round

  Reference Detail : 130 . 025 ,

  Clasp type : Folding clasp

  Complications : Date, Power reserve

  
  

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  A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE

  Minimise description Read our expert's description

  Description : A. LANGE & SÖHNE. A VERY FINE AND RARE PLATINUM WRISTWATCH WITH 31 DAY POWER RESERVE, REVOLUTIONARY KEY WINDING MECHANISM, DATE AND HACK FEATURE.SIGNED A. LANGE & SÖHNE, MONATS-WERK, GLASHÜTTE I/SA, LANGE 31 MODEL, REF. 130.025, MOVEMENT NO. 80'045, CASE NO. 179'861, CIRCA 2012.Cal. L034.1 mechanical movement, 62 jewels, silvered dial, applied baton numerals, sector for 31 day power reserve, large double apertures for date, subsidiary seconds, heavy circular case, button in the band for date adjustment, glazed display back secured by six screws with aperture for key winding mechanism for 31 day power reserve, platinum A. Lange & Söhne deployant clasp, case, dial and movement signed.46 mm. diam.