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Hamilton 730
Basic Information
| Name | Hamilton 730 |
|---|---|
| Manufacturer | Hamilton |
| Launch Year | 1948 |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 10.46 ‴ |
|---|---|
| Dimensions | 23.6 mm |
| Height | 3.6 mm |
| Further Measures | : 8 Mounting Diameter (Dm): 23.2mm Stem height (T): 1.9mm Mounting Height (F): 1.1mm |
| Power Reserve | (not set) |
| Frequency | 18,000 vph |
| Jewels | 17 |
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 | 1.42 x 0.78 / 0.18mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | United States |
| Notes | Remarks: Breguet hairspring Other data: generations: 747: no shock protection 730: Incabloc balance staff ronda: 5274 (8/0) |
| Signature | 1948: Y77645, Hamilton, 747, U.S.A., Ajusted, 17 Jewels; Incabloc (Hamilton 747) |
| Import Codes |
|
Compatible Parts
23 other caliber(s) share compatible parts with this caliber.
32 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:55 PM |
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