
AS 1203-401, Winding stem
- New AS original stem, not in factory packaging.
- Thread: 0.90 mm.
- Fits cal: 1203, 1204, 1205, 1206, 1634
Technical data: AS 1203
Versions: Differences not known between cal: 1203, 1207, 1263, 1266, 1267, 1311, 1314.
- 15 jewels, manual wind, sub second.
- Size: 12''' 26.6 mm.
- H: = 3.80 mm.
- N: = 18.000 A/h.
- Power reserve: 40 h.
- Mainspring: 1.70 x 10.5 - 0.12 - 330 mm.