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PUW 61S
Basic Information
| Name | PUW 61S |
|---|---|
| Manufacturer | PUW |
| Launch Year | 1958 |
| Caliber Family | Description 60: 10.5" 61: 11.5" 61S: 11.5" , base plate prepared for big date 63: 11.5" , big date 65: 10.5" , small date Related calibers PUW 60, PUW 61, PUW 61S, PUW 63, PUW 65 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 11.5 ‴ |
|---|---|
| Dimensions | 25.9 mm |
| Height | 4.25 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 2.1mm Mounting Height (F): 1.5mm |
| Power Reserve | 41 hours |
| Frequency | 18,000 vph |
| Jewels | 21 |
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 | 1.50 x 0.90 x 0.22mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: 1958- Other data: balance staff: U1834 stem: W2111 mainspring / battery: Zf1213, 1.50 x 9.5 x 0.10 x 320mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 21 |
| Signature | ca. 1955: 0, P60-61, 17 Jewels - PUW 61, LR; Unishock (PUW 61) |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:33:54 PM |
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