Ronda 2539
Mechanical
c. 1981
Self-winding (rotor)
Date
Day
No photos yet
Notes
1981-1989
micro rotor
indirectly driven minute allows a low profile
Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | 4.25 mm |
| Stem height | 1.95 mm |
| Hands (H × M × S) | 1.5 × 0.9 × 0.2 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 48 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | Yes (quick set) |
| Day | Yes (quick set) |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | — |
| Thickness | — |
| Length | — |
| Barrel diameter | — |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Ronda |
| Year | c. 1981 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions