Alpina 246 (Junghans J17)
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Alpina |
| Year | ~ |
Documents
No documents
Notes:
hunter calibre
bimetallic screw balance with riveted staff
Breguet hairspring
Dimensions
| Width | 41.4 lignes |
|---|---|
| Height | 5.0 mm |
| Stem height | 0.6 mm |
| Hands diameter (H x M x S) | 1.85 x 1.15 x 0.21 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 | Zf3495 |
|---|---|
| Length | 460 |
| Height | 16.0 |
| Thickness | 0.2 |
| Diameter | 2.0 |