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Bifora B12
Basic Information
| Name | Bifora B12 |
|---|---|
| Manufacturer | Bifora |
| Launch Year | 1973 |
| Caliber Family | Description B8: 8.25" , electrical* B9: 13" , electrical* B10: 8.25" , electronical B11: 13" , electronical B11: 13" , quartz *) prototypes, never serielly produced Related calibers Bifora B12 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 13 ‴ |
|---|---|
| Dimensions | 29.35 mm |
| Height | 5.65 mm |
| Further Measures | Mounting Diameter (Dm): 29.35mm Stem height (T): 2.9mm |
| Power Reserve | (not set) |
| Frequency | 32,768 vph |
| Jewels | 5 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Regulator Type | (not set) |
| Movement Type | Quartz |
| Escapement Type | (not set) |
| Control Type | Quartz |
| Winding Type | (not set) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.40 x 0.80 x 0.24mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: 1973- strange: There is neither a stepper motor nor a quartz-controlled balance, but a pin lever with inductor, which is actuated once per second. The mechanic was taken to wide extent from the electronical predecessor B11, with the pin lever replacing the original balance. Other data: stem: W3417 mainspring / battery: 313 (original, mercury), 357 (replacement, silver odixe) |
| Signature | ca. 1975: Bifora |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Jan 28, 2024, 6:40:42 PM |
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