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Urofa 542
Basic Information
| Name | Urofa 542 |
|---|---|
| Manufacturer | UROFA |
| Launch Year | 1935 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 5.75 ‴ x 8.5 ‴ |
|---|---|
| Dimensions | 12.97 mm x 19.17 mm |
| Height | 3.5 mm |
| Further Measures | Mounting Diameter (Dm): 12.85 x 19.25mm |
| Power Reserve | 37 hours |
| Frequency | 18,000 vph |
| Jewels | 15 |
Complications and Specifications
| Shape | Rectangle |
|---|---|
| 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 | 1.00 x 0.58mm |
|---|---|
| Hand Count | 2 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: differences not known between 54, 542 Other data: balance staff: U348 stem: W305 mainspring / battery: Zf560, 1.15 x 7.0 x 0.08 x 220mm balance staff ronda: 2430 (5,25 x 8,5) balance staff ronda: 18 (5,25 x 8,5) stem ronda: 1187 (5,25) Ranfft mentioned about this caliber: There are variants with this quantity of jewels 11, 15 |
| Signature | ca. 1935: 2,5 - Urofa 54 (Urofa 54, 11 jewels) |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:34:21 PM |
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