Helvetia 846 (AS 1739)
Mechanical
Self-winding (rotor)
No photos yet
Notes
rotor placed out of center
The winding gear is integrated in the movement, instead of attaching it to a manual-wind calibre as usual. This led to a sensationally thin movement at that time.
detached manual wind
escapement from Helvetia
Kif-Duofix combined settings for escape wheel
Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | 4.6 mm |
| Stem height | 1.3 mm |
| Hands (H × M × S) | 1.5 × 0.9 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 36 h |
| Jewels | — |
| Shock protection | KIF |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 9 mm |
| Thickness | 0.1 mm |
| Length | — |
| Barrel diameter | 1.2 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Helvetia |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions