AS 1203, Setting lever spring, no: 445
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New AS original part, not in factory packaging.
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Fits cal: 1203, 1204, 1205, 1206, 1634
Technical data: AS 1203
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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.
Versions: Differences not known between cal: 1203, 1207, 1263, 1266, 1267, 1311, 1314.