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Longines 25.173
Basic Information
| Name | Longines 25.173 |
|---|---|
| Manufacturer | Longines |
| Launch Year | 1939 |
| Caliber Family | Description 27.17, 9L: bimetallic balance, Breguet hairspring 27.173: monometallic balance, Breguet hairspring base plate, barrel bridge, regulator modified 27.17, 9L new: bimetallic balance, Breguet hairspring 27.17ABC, 9LT: monometallic balance, flat hairspring Related calibers Longines 25.17, Longines 25.17 new, Longines 25.173, Longines 25.17ABC, Longines 9L, Longines 9L new, Longines 9LT |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 8 ‴ x 11.5 ‴ |
|---|---|
| Dimensions | 17.8 mm x 26.55 mm |
| Height | 4 mm |
| Further Measures | Mounting Diameter (Dm): 17.8 x 26.0mm Stem height (T): 1.8mm Mounting Height (F): 1.25mm |
| Power Reserve | 43 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
Complications and Specifications
| Shape | Rectangle |
|---|---|
| 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 | 1.33 x 0.76 / 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: indirect sub second Breguet hairspring Other data: balance staff: U1550 stem: W737 mainspring / battery: 1.60 x 10.0 x 0.10 x 360mm Mainspring: 1.600 x 11.000 x 0.100 x 380.000 mm |
| Signature | 1939: 5882638, 25.17, Longines - Longines (Longines 25.17) |
| Import Codes |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:33:21 PM |
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