Calibre catalogue / Small calibre / 278WA
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278WA fitting drawing (PDF)
Dimensions, stem height and hand fitting. Keyed to the base calibre, so sibling references share this drawing. Supplied for casing and fitting purposes only.
Small calibre
278WA
2 Series
- —Hours and minutes
- —Skeletonised
| Specification | |
|---|---|
| Size | 25 mm (0.984 in) |
| Height | 3.5 mm (0.138 in) |
| Jewels | 17 |
| Frequency | 21,600 vph (3 Hz) |
| Power reserve | 42 h |
| Finish colour | White |
Check dimensions against the fitting drawing before tooling a case.
