ROLEX - REF. 1550 - GOLD SHELL.Rolex, Oyster Perpetual Date, Superlative Chronometer.Officially Certified, case No. 3482962, Ref. 1550. Made in the.early 1970's..Fine, center seconds, self-winding, water-resistant, yellow.gold shell over stainless steel w
C. Three-body, polished, screwed-down case back and.crown, crystal with cyclops lens..D. Champagne with applied yellow gold and black baton.indexes and luminous dots, aperture for the date. Luminous.yellow gold baton hands..M. Cal. 1570, rhodium plated, oeil-de-perdrix decoration.26 jewels, straight-line lever escapement, monometallic.balance adjusted to temperatures and 5 positions, shock.absorber, self-compensating free-sprung Breguet balance.spring, Microstella regulating screws, hack mechanism..Dial, case and movement signed..Diam. 34 mm. Thickness 12 mm.