Ball Hamilton 999P Official Railroad Grade Pocket Watch
Record status
Individual type · partial
Period
c. 1928
This is an open-face American railroad pocket watch marketed by the Ball Watch Company using a 16-size Hamilton movement, dated to circa 1928 by the seller. According to the source, the timepiece features a nickel three-quarter plate movement with 21 jewels, adjusted to five positions, equipped with a micrometer regulator, lever escapement, and gold jewel settings.
The movement is cased in a 10K gold-filled case by Boss with carved edges and Ball's patented stirrup bow. The white enamel dial is signed "BALL OFFICIAL RR STANDARD CLEVELAND" and features bold Arabic numerals, blued steel hands, and a subsidiary seconds dial at 6 o'clock.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Railroad pocket watch
- Dimensions
- 49mm wide x 14mm deep
- Place recorded
- United States
- Movement Serial
- B630498
- Case Specification
- 10K gold filled case by Boss
- Maker / attribution
- Ball Watch Co. / Hamilton
- Winding and Setting
- Stem wound / lever set
- Jewels and Adjustments
- 21 Jewels, Adjusted 5 positions
Design
- Movement
- The movement is a nickel three-quarter plate type, serial number B630498. The source reports it as a 21-jewel caliber, adjusted to five positions. Technical features described include a lever escapement, micrometer regulator, gold-capped lever, gold jewel settings, and gold train wheels.
- Visible features
- • Open-face pocket watch configuration with a distinctive stirrup bow over a fluted winding crown. • White enamel dial signed 'BALL OFFICIAL RR STANDARD CLEVELAND' beneath 12 o'clock. • Bold black Arabic hour numerals with heavy dots on the outer minute track. • Sunken subsidiary seconds dial positioned at 6 o'clock. • Engraved scrolled detailing along the case bezel perimeter.
- Dial and Exterior
- The watch features a white enamel dial signed 'Ball, Official RR Standard'. It is equipped with blued steel hands and a mineral glass crystal. The case back is described as having a smooth, plain finish.
- Identity and Configuration
- This is an open-face railroad pocket watch, identified as a Ball Watch Company product utilizing a Hamilton movement. The timepiece is configured for stem winding and lever setting. The watch is housed in a 10K gold-filled case by Boss. It features carved edges and a patented Ball stirrup bow over the winding crown.
Identification
- Reference
- 999P
- Serial number
- B630498
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: Movement and inner case back are not shown in the photograph; internal technical details rely entirely on source reporting.