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MST 425
Basic Information
| Name | MST 425 |
|---|---|
| Manufacturer | MST |
| Launch Year | 1955 |
| Caliber Family | Description 424: - 425: date Related calibers MST 424, MST 425 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 12.5 ‴ |
|---|---|
| Dimensions | 28.4 mm |
| Height | (not set) |
| Further Measures | Mounting Diameter (Dm): 28.0mm |
| Power Reserve | 47 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
| Lift Angle | 49 degrees |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Shock Protection | Incabloc |
| 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 0.80 x 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: later samples with mobile stud carrier Other data: balance staff: U2414 stem: W2494 mainspring / battery: Zf1247, 1.50 x 11.0 x 0.12 x 355mm stem ronda: 1358 (12,5) Mainspring: 1.500 x 10.500 x 0.125 x 340.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 15, 17 |
| Signature | 1) ca. 1955: Roamer Watch Co, Swiss, 17 Jewels - MST 424; Incabloc 2) ca. 1965: 65, Roamer, Swiss Made, 15 Jewels - MST 424; Incabloc (MST 424) |
| Import Codes |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:33:34 PM |
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