| Manufacturer | ETA |
| Caliber Number | 251.471 |
| Replacement | NA |
| Type | Quartz, chronograph |
| Diameter | 10 1/2”’ (23mm) |
| Thickness | 4.70mm |
| Battery Cell Number | 394 |
| Stem | 401-1484, Tap 10 |
| Hand Sizes | 1.50/.90/.30 (and 3 x .20 for seconds) |
| Jewels | 23 |
| Functions | Hours, minutes, 1/10 seconds, central chronograph seconds, date, 24 hour indicator |
| Country of Manufacture | Switzerland |
| Known Models |
Hamilton Khaki Air, Uniform Wares 300 Chronograph, please add more below |
This ETA caliber 251.471 was found in this Hamilton Khaki Air Chrono watch.
Replacement Prices
Replacement prices were found online for $79.95 – $105.95.
Crossover Caliber Numbers
Longines also uses this movement as a base for their caliber L538.
Additional Resources
network of watch sites
