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Bulova 17ALS
Basic Information
| Name | Bulova 17ALS |
|---|---|
| Alternative Name | ETA 951, ETA 953 |
| Base Calibre | ETA 951 |
| Manufacturer | Bulova |
| Launch Year | 1959 |
| Caliber Family | Description 17AH, 17AHS: Breguet hairspring 17AL: flat hairspring Related calibers Bulova 17ALS |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 17 ‴ |
|---|---|
| Dimensions | 38.6 mm |
| Height | 3.95 mm |
| Further Measures | Mounting Diameter (Dm): 37.9mm Stem height (T): 2.25mm Mounting Height (F): 1.6mm |
| Power Reserve | 37 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
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 | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 2.00 x 1.00 / 0.28mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: open face calibre Usually the ETA 953 is recorded as base. Thus the signature on the example movement indicates that the ETA 951 is the Bulova variant of the ETA 953. Other data: balance staff: Ronda 439 stem: W1500 mainspring / battery: Zf2793, 1.20 x 15.0 x 0.19 x 430mm balance staff ronda: 439 (17) |
| Signature | 1959: L9, BXW, 951, Bulova Watch Co, 17AHS, Swiss, 17 Jewels (Bulova 17AHS) |
| Import Codes |
|
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:43 AM |
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