1919, Waltham, MA
Dial: White porcelain Montgomery dial with bold black Arabic hour markers, dual time zone, single black Arabic minute markers with red every five minutes, 24-hour sunken up/down power reserve indicator at 12 o'clock, sub-seconds at 6 o'clock, blued steel heavy double swell spade hands with additional red spade hand for second time-zone, signed: Waltham
Movement: 23 jewel, #23170647, stem-wind, lever-set, 16 size, nickel-plated, bridge caliber, damascend, adjusted to 6 positions, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with inner and outer terminal curves, Ohlson patented micrometric regulator, engraved on the ratchet wheel: Lossier Inner Terminal Hair Spring, additionally signed: Vangauard Waltham Mass.
Case: 10K gold-filled open-face case, Keystone Boss, #9876208, rear lid engraved with approching train, coin edge screw-down rear lid and bezel
52mm
97 grams gross

Good overall condition. Winds, sets and runs. Dial: Good condition, slight hairline cracks near 1, 2 and 3 o'clock. Missing minute hand. Movement: Good condition. Winds and runs. Surface scratches throughout. Case: Good condition, surface abrasion throughout.