Illinois Watch Company Bunn Special
Illinois's best-known railroad-grade line; the named 'Bunn Special' grade dates c.1901-1903 through the company's final years (a plain 'Bunn' grade predates it, from the 1890s).
8 references
| Reference | Variant | Years | Dial | Size |
|---|---|---|---|---|
| 18 Size Bunn Special 21 Jewel (Model 6) | 18s open-face, full plate, 21 jewel, early Bunn Special grade | 1895–1919 | white | Not recorded |
| 18 Size Bunn Special 24 Jewel (Model 5) | 18s hunting case, full plate, 24 jewel, adjusted to temperature, isochronism, and positions | 1895–1919 | Not recorded | Not recorded |
| Bunn Special 21 Jewel (Model 9) | 16s open-face, 21 jewel, lever-set, double sunk porcelain dial, unnumbered pre-1930 grade | 1914–1928 | white | Not recorded |
| Bunn Special 23 Jewel (Model 9) | 16s open-face, 23 jewel, lever-set, unnumbered pre-1930 grade, six positions and temperature | 1914–1928 | white | Not recorded |
| Sixty Hour Bunn Special (Type I, Motor Barrel 60) | 16s, earliest 60-hour mainspring variant, marked 'Motor Barrel 60' on the barrel bridge | 1924–1926 | Not recorded | Not recorded |
| Grade 163 Type II (Sixty Hour) | 16s open-face, 23 jewel, extended 60-hour mainspring barrel, 'SIXTY HOUR' marked on train bridge, extremely rare | 1928–1931 | Not recorded | Not recorded |
| Grade 161 | 16s open-face, 21 jewel, Model 14, adjusted six positions and temperature, numbered grade (introduced 1930) | 1930 | white | Not recorded |
| Grade 163 | 16s open-face, 23 jewel, Model 14, adjusted six positions and temperature, numbered grade (introduced 1930) | 1930 | white | Not recorded |