Bifora 691
Mechanical
c. 1968
No photos yet
Notes
1968-
Dimensions
| Width | 15.2 lignes (34.29 mm) |
|---|---|
| Height | 3.5 mm |
| Stem height | — |
| Hands (H × M × S) | 1 × 0.58 × ? mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 40 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1298 |
|---|---|
| Height | 7.5 mm |
| Thickness | 0.08 mm |
| Length | 250 mm |
| Barrel diameter | 1.6 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Bifora |
| Year | c. 1968 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions