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Valjoux 730
Basic Information
| Name | Valjoux 730 |
|---|---|
| Manufacturer | Valjoux |
| Launch Year | 1974 |
| Caliber Family | Description 18000 A/h: 23 : base calibre 230: fly back 23C: calendar 72 : hour counter 720: hour counter, fly back 724: hour counter, 24h hand gear 72C: hour counter, calendar 78 : no chronograph, calendar 88 : hour counter, calendar, moon phase 90 : no chronograph, calendar, moon phase 21600 A/h: 236: base calibre 234: date (window) 235: fly back 237: date (window), fly back 725: hour counter, fly back 726: hour counter 729: hour counter, 24h hand gear 730: hour counter, calendar 886: hour counter, calendar, moon phase Related calibers Valjoux 23, Valjoux 234, Valjoux 236, Valjoux 23C, Valjoux 72, Valjoux 724, Valjoux 726, Valjoux 729, Valjoux 72C, Valjoux 730, Valjoux 78, Valjoux 88, Valjoux 886, Valjoux 90 |
| Is COSC certified | Yes |
Timegrapher
Beat rate
21,600 bph
Frequency
3 Hz
Lift angle
52 degrees
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 13 ‴ |
|---|---|
| Dimensions | 30 mm |
| Height | 6.95 mm |
| Further Measures | Mounting Diameter (Dm): 29.5mm Stem height (T): 2.72mm Mounting Height (F): 1.62mm |
| Power Reserve | 46 hours |
| Frequency | 21,600 vph |
| Jewels | 17 |
| Lift Angle | 52 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 | 1.60 x 1.10 x 0.25 / 0.28 x 0.25 x 0.23mm |
|---|---|
| Hand Count | 5 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: 1974- Other data: balance staff: U1546 stem: W1276 mainspring / battery: Zf889, 1.30 x 12.0 x 0.14 x 360mm |
| Signature | 1) ca. 1970: RF 72; Incabloc (Valjoux 72, 18000 A/h) 2) 1953: old data sheet (Valjoux 72C, 18000 A/h) |
Compatible Parts
962 other caliber(s) share compatible parts with this caliber.
131 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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