1911 Ball Hamilton 999A 18s 21j Railroad Watch

Updated September 15, 2026

Vintage 1911 Ball Watch Co. (manufactured by Hamilton) grade Official RR Standard 999A model 1 mechanical open-face pocket watch featuring a substantial 18-size base metal case. The interior caseback displays a polished engine-turned perlage finish stamped with a stylized "C" trademark logo alongside case serial number 1878403 and model code 3. The pristine white porcelain enamel dial showcases a bold black Arabic numeral track, an outer minute ring with crisp black indicators, a sunken sub-seconds register dial tracking up to 60 seconds above the 6 position, blued steel spade-style hands, and the prominent center trademark crest script reading "TRADE MARK OFFICIAL RR STANDARD BALL WATCH CO. CLEVELAND". The watch houses an exceptionally high-grade American-made mechanical manual-wind movement carrying movement serial number 669903, a native 21 jewels configuration, a full-plate layout adorned with an exquisite "Sun-burst" damascening pattern finish, a lever-setting design, a Motor Barrel assembly, a Double Roller mechanism, a specialized Ball regulatory index assembly, sapphire pallets, and explicit plates engraving certifying it is adjusted to temperature and 5 positions.This premium railroad grade mechanical pocket watch is running as of the time of listing, though a professional service is required for accurate timekeeping, and extended runtime without service is not guaranteed.

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