細節
Swiss. A fine platinum and sapphire-set openface bezel minute repeating keyless lever watch
Unsigned, retailed by Tiffany & Co., circa 1920
With nickel-finished jewelled lever movement, bimetallic compensation balance, minute repeating on two gongs, the silvered engine-turned dial with Breguet numerals, outer minutes track, blued steel moon style hands, subsidiary seconds, the circular case with sapphire-set band and bow, blue enamel monogram to the snap on back, minute repeat activated through revolving bezel, together with an associated platinum and pearl-set decorative chain, case numbered, dial signed by retailer
48 mm. diam.