FEF 401
Mechanical
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Notes
differences not known between 400, 401
Dimensions
| Width | 19.4 lignes (43.76 mm) |
|---|---|
| Height | 4.3 mm |
| Stem height | 0.9 mm |
| Hands (H × M × S) | 1.3 × 0.8 × 0.2 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | 52 ° |
| Power reserve | 36 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR3218 |
|---|---|
| Height | 1.3 mm |
| Thickness | 0.09 mm |
| Length | 240 mm |
| Barrel diameter | 7.5 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | FEF |
| Year | — |
| Family | — |
| Clone of | — |
Related calibers
Documents
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Updated 7 days ago · 0 revisions