Tissot 28.5R-621
Mechanical
c. 1952
Self-winding (rotor)
Date
No photos yet
Notes
1952-1962
detached manual wind
Dimensions
| Width | 28 lignes (63.16 mm) |
|---|---|
| Height | 6.5 mm |
| Stem height | 2.1 mm |
| Hands (H × M × S) | 1.7 × 1 × 0.2 mm |
Technical data
| Beat rate | 19,800 vph (2.75 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 40 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.1 mm |
| Length | — |
| Barrel diameter | 1.3 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Tissot |
| Year | c. 1952 |
| Family | — |
| Clone of | — |
Related calibers
Documents
None
Updated 7 days ago · 0 revisions