细节
A gold filled open faced pocket watch with power reserve, Waltham Vanguard, circa 1910.
white enamel dial with Arabic numerals and inner 24-hour dial, subsidiary constant seconds and up-and-down dials, blued steel hands, damascened nickel finished movement with 23-jewels and adjusted to six positions, bimetallic compensation balance with micrometer adjustment to the regulator, case with screw back, diameter 50mm.
white enamel dial with Arabic numerals and inner 24-hour dial, subsidiary constant seconds and up-and-down dials, blued steel hands, damascened nickel finished movement with 23-jewels and adjusted to six positions, bimetallic compensation balance with micrometer adjustment to the regulator, case with screw back, diameter 50mm.