Illinois 16s 23J Sangamo Special Pocket Watch
Record status
Individual type · partial
Period
c. 1918
This open face pocket watch by the Illinois Watch Co is a 16-size railroad grade timepiece dated to circa 1918. The dealer states it houses a 23-jewel Model 10 nickel bridge movement numbered 3201997 with a motor barrel, lever escapement, and adjustments to temperature and six positions.
The movement is fitted into a Wandsworth gold-plated case featuring a triangular bow, screw-off back, and hinged bezel. The silvered dial features black Arabic numerals, an outer minute track, a subsidiary seconds dial at 6 o'clock, and blued steel hands.
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
- Open-face railroad grade pocket watch
- Maker
- Illinois Watch Co
- Case Maker
- Wandsworth
- Dimensions
- 49mm wide x 12mm deep
- Serial Number
- 3201997
- Movement Model
- Model 10
- Place recorded
- United States
- Maker / attribution
- Illinois Watch Co
- Winding and Setting
- Stem wound / lever set
Design
- Dial and Hands
- The timepiece features an open-face configuration with a light-toned silvered dial signed 'ILLINOIS' directly below the 12 o'clock hour mark. The layout displays bold Arabic numerals, an outer perimeter minute track, and a subsidiary seconds dial positioned at 6 o'clock. Indications are provided by blued steel spade-style hour and minute hands alongside a matching blued seconds hand. The front is protected by a mineral glass crystal. The seller asserts the dial is in '99% mint condition'.
- Visible features
- • Light-toned silvered dial signed 'ILLINOIS' below the 12 o'clock numeral. • Bold Arabic numerals with an outer minute track and a subsidiary seconds dial at 6 o'clock. • Blued steel spade-style hour and minute hands and matching blued seconds hand. • Gold-plated case with a fluted crown and distinctive triangular bow.
- Case Construction
- The watch is fitted in an open-face Wandsworth gold-plated case measuring 49 mm in width by 12 mm in depth. The housing is built with a smooth, plain exterior finish, a screw-off back, and a front hinged bezel. The pendant is equipped with a fluted crown and a distinctive triangular bow. The seller notes that the case bears an inscription reading 'Pdt Bow Crown, Pat Sept 17 1918', and assesses the case condition as '85% mint condition – some light scratches plus two dimple bruises'.
- Reported Movement Specifications
- Because only the dial side is visible in the available photograph, movement details are derived entirely from dealer reporting. The movement is catalogued as an Illinois Watch Co. 16-size Model 10 nickel bridge movement, operated via stem winding and lever setting. The dealer states the run quantity was 1,000 within a total production of 4,030. According to the dealer's transcription, the movement is numbered 3201997 and signed in red enamel 'Sangamo 23 Jewel Special, Motor Barrel, Adjusted Temp & six positions, Illinois Watch Co, DR'. Technical features reported by the seller include damascening, barreled jewel settings, a lever escapement with a micrometer regulator, gold train wheels, raised gold jewel settings, and a gold cap on the lever. The seller rates the movement at '90% mint condition – some small marks'.
Identification
- Reference
- Model 10
- Serial number
- 3201997
- 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: Internal movement specifications, jewel count, and inner case markings are reported by the dealer and are not directly visible in the single dial-side photograph.