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Longines 18.63
Basic Information
| Name | Longines 18.63 |
|---|---|
| Manufacturer | Longines |
| Launch Year | 1909 |
| Caliber Family | Description 18.63: open face 18.64: hunter Related calibers Longines 18.63, Longines 18.64 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 18 ‴ |
|---|---|
| Dimensions | 40.7 mm |
| Height | 6.8 mm |
| Further Measures | Mounting Diameter (Dm): 39.8mm Stem height (T): 2.6mm Mounting Height (F): 0.7mm |
| Power Reserve | 32 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 | Pin Set (Pin-Push) |
Additional Information
| Hand Sizes | 1.75 x 0.60 / 0.26mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: open face calibre bimetallic screw balance very early two-section regulator for coarse and fine adjustment (Fig.3) ratchet on dial side, click-unlocking from rear side by marked screw head, crown mechanism with rocker bar setting pin fixed in movement by a screw (Fig.1, top left) Other data: balance staff: Ronda 919 stem: W1547 |
| Signature | 1909: 2071574, Longines - 2071574 |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:33:21 PM |
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