Cyma 671
Mechanical
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Notes
open face calibre
Breguet hairspring
pallets and impuls pin steel, if 7 jewels
differences not known between 7, 570...573, 670, 671
many calibres on same base with 15.25...16.5" and only partially known details:
1, 510, 511, 515, 610, 611, 613, 1713, 1815,
2,
3, 530, 531, 630, 631, 633,
4, 540, 541, 640, 641,
7, 570, 571, 572, 573, 670, 671
Dimensions
| Width | 34.1 lignes (76.92 mm) |
|---|---|
| Height | 4.6 mm |
| Stem height | 0.5 mm |
| Hands (H × M × S) | 1.75 × 1.1 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 31 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR3843 |
|---|---|
| Height | 1.4 mm |
| Thickness | 0.18 mm |
| Length | 400 mm |
| Barrel diameter | 14 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Cyma |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions