Citizen 1121
Mechanical
c. 1962
Self-winding (rotor)
Date
No photos yet
Notes
1962-
27- and 35-jewels variant: ring rotor rotating on 9 Balls (Fig.4)
35-jewels variant: useless jewels in the three plates to hold the fixed inner ring of the rotor bearing (Fig.5)
differences not known between 1120, 1121
Dimensions
| Width | 29 lignes (65.42 mm) |
|---|---|
| Height | 4.95 mm |
| Stem height | 1.1 mm |
| Hands (H × M × S) | 1.52 × 1 × 0.18 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 47 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | — |
| Thickness | — |
| Length | — |
| Barrel diameter | — |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Citizen |
| Year | c. 1962 |
| Family | — |
| Clone of | — |
Related calibers
Documents
None
Updated 7 days ago · 0 revisions