Gruen 266 (FHF 1144, 10.5" )
Mechanical
c. 1920
No photos yet
Notes
1920-
bimetallic screw balance
Dimensions
| Width | 23.3 lignes (52.56 mm) |
|---|---|
| Height | 3.9 mm |
| Stem height | 0.45 mm |
| Hands (H × M × S) | 1.22 × 0.68 × ? mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | — |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | Zf1132 |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.11 mm |
| Length | 290 mm |
| Barrel diameter | 1.45 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Gruen |
| Year | c. 1920 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions