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Valjoux 7730
Basic Information
| Name | Valjoux 7730 |
|---|---|
| Manufacturer | Valjoux |
| Launch Year | 1966 |
| Caliber Family | Description essentially same as Venus 188: 7730: - 7731: new balance cock completely redesigned: 7733: - 7734: date 7736: hour counter 7737: countdown for regatta start Related calibers Valjoux 7730, Valjoux 7731, Valjoux 7733, Valjoux 7734, Valjoux 7736, Valjoux 7737 |
| Is COSC certified | Yes |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Lift angle
48 degrees
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 14 ‴ |
|---|---|
| Dimensions | 31.3 mm |
| Height | 6 mm |
| Further Measures | Mounting Diameter (Dm): 31.0mm Stem height (T): 1.85mm Mounting Height (F): 0.6mm |
| Power Reserve | 45 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
| Lift Angle | 48 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 | 1.40 x 0.95 x 0.27 / 0.27 x 0.18mm |
|---|---|
| Hand Count | 4 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: 1966-1973, 175000 same as Venus 188, but mobile stud carrier Other data: balance staff: U3106 stem: W1188 / W3371 thread 1.2mm / 0.9mm mainspring / battery: Zf1337, 1.60 x 12.5 x 0.13 x 430mm balance staff ronda: 5384 (14) stem ronda: 1782 (14) stem ronda: 2241 (14) Mainspring: 1.600 x 12.000 x 0.140 x 400.000 mm |
| Signature | ca. 1970: - ; Incabloc |
Compatible Parts
1048 other caliber(s) share compatible parts with this caliber.
94 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:34:22 PM |
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