Gruen 833 (Rolex 250)
Mechanical
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Notes
1922- (Aegler)
Alpina Gruen Gilde 1929-1937
bimetallic screw balance, Breguet hairspring
identical movements Alpina 833, Gruen 833, Rolex 250
manufacturer: Aegler (Rolex)
Dimensions
| Width | 14 lignes (31.58 mm) |
|---|---|
| Height | 3.3 mm |
| Stem height | — |
| Hands (H × M × S) | 1.06 × 0.55 × ? mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 30 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 8 mm |
| Thickness | 0.1 mm |
| Length | 250 mm |
| Barrel diameter | 0.94 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Gruen |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions