Calibre catalogue / Extended reserve / 1A03D
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1A03D 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.
Extended reserve
1A03D Automatic mechanical movement
1 Series
1A03D has the following listed functions: Automatic · Centre seconds · Open-heart. Its documented specifications are 31 mm diameter; 6.5 mm height; 21 jewels; 28,800 vph (4 Hz); 72 h power reserve; finish colour: Gunmetal.
- —Automatic
- —Centre seconds
- —Open-heart
| Specification | |
|---|---|
| Size | 31 mm (1.220 in) |
| Height | 6.5 mm (0.256 in) |
| Jewels | 21 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 72 h |
| Finish colour | Gunmetal |
Check dimensions against the fitting drawing before tooling a case.
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How to order
Prices on request. Samples available. Made to order, approximately 8–10 weeks. Finishing by Memorigin optional.
Same base calibre
Variants
1A00A
Extended reserve
Automatic · Centre seconds
31 mm · 6.5 mm · 72 h
1A01D
Extended reserve
Automatic · Centre seconds · Open-heart
31 mm · 6.5 mm · 72 h
1A02B
Extended reserve
Automatic · Centre seconds · Open-heart
31 mm · 6.5 mm · 72 h
1A04A
Extended reserve
Automatic · Centre seconds · Open-heart
31 mm · 6.5 mm · 72 h
1A05D
Extended reserve
Automatic · Centre seconds · Open-heart
31 mm · 6.5 mm · 72 h
1A06A
Extended reserve
Automatic · Centre seconds · Open-heart
31 mm · 6.5 mm · 72 h
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