Tissot 40.5
Serial number: 1 005 517 (1938).
Data Tissot 40.5
-
15 Jewels, manual wind, sub second. -
Size: 18''' 40.5 mm. -
H: = 3.85 mm. -
N: = 18000 -
Power reserve: 35 h. -
Mainspring: 1.30 X 16 - 0.20 - 480
Versions:
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38.2: 17''' flat hairspring. -
38.2A: 17''' Breguet hairspring. -
40.5: 18''' flat hairspring.