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Cyma 571
Basic Information
| Name | Cyma 571 |
|---|---|
| Manufacturer | Cyma |
| Launch Year | 1930 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 15.25 ‴ |
|---|---|
| Dimensions | 34.9 mm |
| Height | 4.6 mm |
| Further Measures | Mounting Diameter (Dm): 34.1mm Stem height (T): 1.8mm Mounting Height (F): 0.5mm |
| Power Reserve | 31 hours |
| Frequency | 18,000 vph |
| Jewels | 15 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Manual |
| Escapement Type | Swiss Lever |
| Control Type | Balance Wheel |
| Winding Type | Stem Winding (Crown) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.75 x 1.10 / 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: open face calibre Breguet hairspring pallets and impuls pin steel, if 7 jewels differences not known between 7, 570...573, 670, 671 many calibres on same base with 15.25...16.5" and only partially known details: 1, 510, 511, 515, 610, 611, 613, 1713, 1815, 2, 3, 530, 531, 630, 631, 633, 4, 540, 541, 640, 641, 7, 570, 571, 572, 573, 670, 671 Other data: balance staff: U928 stem: W1425 mainspring / battery: Zf1166, 1.45 x 13.0 x 0.16 x 370mm balance staff ronda: 2306 (15,5-16,5) Mainspring: 1.600 x 11.000 x 0.130 x 340.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 7, 15 |
| Signature | 1-2) ca. 1930: 39, Cyma, Ref.571 - 14823539 (bridges slightly smaller for dust ring) 2-3) ca. 1930: 64, Cyma, Ref.571 - 15267764 |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:31:32 PM |
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