Ronda 1253-21
Mechanical
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Notes
ca. 1975: RL, 1253-21, Claro Watch SA, Swiss, 1 Jewel
Dimensions
| Width | 26.6 lignes (60 mm) |
|---|---|
| Height | — |
| Stem height | — |
| Hands (H × M × S) | 0.2 × ? × ? mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 38 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1051 |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.11 mm |
| Length | 300 mm |
| Barrel diameter | 1.4 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Ronda |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions