Ronda 9037-21
Mechanical
Date
Day
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Notes
stem mechanism without setting-lever spring
strange: train and hand gear separately driven by the barrel (cf. Ronda 9011)
Dimensions
| Width | 19.4 lignes (43.76 mm) |
|---|---|
| Height | — |
| Stem height | — |
| Hands (H × M × S) | 1.3 × 0.9 × 0.2 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 39 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | Yes |
| Day | Yes |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1200 |
|---|---|
| Height | 8 mm |
| Thickness | 0.09 mm |
| Length | 250 mm |
| Barrel diameter | 1.5 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Ronda |
| Year | — |
| Family | — |
| Clone of | — |
Related calibers
Documents
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Updated 7 days ago · 0 revisions