Helvetia 838
Mechanical
Self-winding (rotor)
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Notes
attention: manual winding counterclockwise
strange (Fig.4):
An intermediate wheel B between directly driven sweep second C and 4th wheel A makes space for a higher barrel.
Dimensions
| Width | 25.95 lignes (58.54 mm) |
|---|---|
| Height | 6.1 mm |
| Stem height | 1.2 mm |
| Hands (H × M × S) | 1.35 × 0.9 × 0.28 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 43 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1043 |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.11 mm |
| Length | 320 mm |
| Barrel diameter | 1.4 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Helvetia |
| Year | — |
| Family | — |
| Clone of | — |
Related calibers
Documents
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Updated 7 days ago · 0 revisions