Calibre catalogue / Extended reserve / 7520A
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7520A 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
7520A Hand-wound mechanical movement
7 Series
7520A has the following listed functions: Centre seconds · Skeletonised. Its documented specifications are 30 mm diameter; 5.23 mm height; 21 jewels; 28,800 vph (4 Hz); 80 h power reserve; finish colour: White.
- —Centre seconds
- —Skeletonised
| Specification | |
|---|---|
| Size | 30 mm (1.181 in) |
| Height | 5.23 mm (0.206 in) |
| Jewels | 21 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 80 h |
| Finish colour | White |
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
7000A
Extended reserve
Centre seconds
30 mm · 5.23 mm · 80 h
7010A
Extended reserve
Small seconds
30 mm · 5.23 mm · 80 h
7012A
Extended reserve
Small seconds
30 mm · 5.23 mm · 80 h
701AA
Extended reserve
Small seconds · Fine finishing
30 mm · 5.23 mm · 80 h
70A5A
Extended reserve
Centre seconds · Fine finishing
30 mm · 5.23 mm · 80 h
70G0A
Extended reserve
Centre seconds · Fine finishing
30 mm · 5.23 mm · 80 h
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