Illinois Watch Company Bunn Special Grade 163 Type II (Sixty Hour)
16s open-face, 23 jewel, extended 60-hour mainspring barrel, 'SIXTY HOUR' marked on train bridge, extremely rare
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Specifications
- Caliber
- 16 size, Model 14
- Movement type
- Manual
- Jewels
- 23
- Power reserve
- 60 h
- Produced
- 1928–1931