细节
ROLEX. A RARE 18K GOLD SINGLE-BUTTON CHRONOGRAPH WRISTWATCH
Signed Rolex, Ref. 2303, No. 14743, circa 1935
With nickel-finished jewelled lever movement, the two-tone silvered dial with Breguet numerals , outer tachometric scale, blued steel hands, two subsidiary dials indicating constant seconds and 30 minutes register, the tonneau-shaped case with snap on back, chronograph operated through button in the crown, together with a gilt Rolex buckle, case, dial and movement signed
27 mm. diam.