Felsa 138
Mechanical
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Notes
bimetallic screw balance
differences not known between 86, 88, 89, 136, 138, 285, 327
Dimensions
| Width | 23.3 lignes (52.56 mm) |
|---|---|
| Height | — |
| Stem height | — |
| Hands (H × M × S) | 1.4 × 0.8 × ? mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | — |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR4870 |
|---|---|
| Height | 1.7 mm |
| Thickness | 0.1 mm |
| Length | 320 mm |
| Barrel diameter | 9 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Felsa |
| Year | — |
| Family | — |
| Clone of | — |
Related calibers
Documents
None
Updated 7 days ago · 0 revisions