7,670 CHF
"Observatory Quality Chronometer" Rolex, "Observatory Quality", No. 1002135, retailed by C. Bucherer, Lucerne. Made in the 1920s. Fine, thin, 18K yellow gold, hunting-cased, keyless pocket watch. Four-body, "bassine", polished. Hinged gold cuvette. Matte champagne, black Breguet numerals, outer minute track, subsidiary seconds. Black steel "cathedral" hands. Cal. 142, “Observatory Quality, Amtlich Geprueft”, rhodium-plated, "faussescôtes" decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometer regulator. Dial case and movement signed. Diam. 50 mm.
Auctioneer:
Antiquorum
Date:
2007-10-14