Alpina 245 (Junghans J33)
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Alpina |
| Year | ~ |
Documents
No documents
Notes:
open face calibre
Breguet hairspring
slightly modified train bridge especially for Alpina
until now only noticed difference between 215 and 245: different alignment-pin diameters
Dimensions
| Width | 41.4 lignes |
|---|---|
| Height | 6.0 mm |
| Stem height | 0.5 mm |
| Hands diameter (H x M x S) | 1.85 x 1.15 x 0.25 mm |
Technical data
| Lift angle | ° |
|---|---|
| Beat rate | 18000 BPH |
| Jewels count | |
| Power reserve | 35 hours |
| Shock protection | |
| Mobile stud carrier | false |
Complications
| Self winding | no |
|---|---|
| Date | false |
| Day | false |
| Hacking | false |
| Chronograph | false |
Mainspring
| GR code | Zf3641 |
|---|---|
| Length | 460 |
| Height | 16.0 |
| Thickness | 0.2 |
| Diameter | 2.2 |