Cyma 777
Mechanical
No photos yet
Notes
open face calibre
Breguet hairspring
except jewel count differences not known between 737, 777
Dimensions
| Width | 38.2 lignes (86.17 mm) |
|---|---|
| Height | 5.05 mm |
| Stem height | 0.5 mm |
| Hands (H × M × S) | 1.75 × 1.1 × 0.22 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 | GR5375 |
|---|---|
| Height | 1.8 mm |
| Thickness | 0.18 mm |
| Length | 500 mm |
| Barrel diameter | 15 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Cyma |
| Year | — |
| Family | — |
| Clone of | — |
Related calibers
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Documents
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Updated 7 days ago · 0 revisions