Universal 138C
Mechanical
c. 1948
Self-winding (rotor)
Date
No photos yet
Notes
1948-1955
family:
138: sub second
138C: sub second, date
138SS, 139: sweep second
Dimensions
| Width | 28.2 lignes (63.61 mm) |
|---|---|
| Height | 5.9 mm |
| Stem height | — |
| Hands (H × M × S) | 1.32 × 0.8 × 0.15 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 36 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR3486 |
|---|---|
| Height | 1.35 mm |
| Thickness | 0.09 mm |
| Length | 260 mm |
| Barrel diameter | 7.5 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Universal |
| Year | c. 1948 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions