Felsa 247
Mechanical
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Notes
open face calibre
In catalogs heights between 5.0 and 5.05mm are listed. Therefore this movement was identified after the balance-staff dimensions.
differences not known between 247-249
Dimensions
| Width | 41 lignes (92.49 mm) |
|---|---|
| Height | 4.75 mm |
| Stem height | 0.65 mm |
| Hands (H × M × S) | 2 × 1.2 × 0.3 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 34 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR5861 |
|---|---|
| Height | 2 mm |
| Thickness | 0.18 mm |
| Length | 500 mm |
| Barrel diameter | 15 mm |