Certina 28-163
Mechanical
c. 1965
Date
No photos yet
Notes
1965-1970
for Biostar models:
circadian-rhythm display, adaption by watchmaker
Dimensions
| Width | 28 lignes (63.16 mm) |
|---|---|
| Height | — |
| Stem height | — |
| Hands (H × M × S) | 1.5 × 0.9 × 0.18 mm |
Technical data
| Beat rate | 19,800 vph (2.75 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 46 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 11.5 mm |
| Thickness | 0.13 mm |
| Length | 360 mm |
| Barrel diameter | 1.4 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Certina |
| Year | c. 1965 |
| Family | — |
| Clone of | — |
Related calibers
Documents
None
Updated 7 days ago · 0 revisions