Seiko 6139B, Automatic framework with ball bearing, no: 903463
Tax included.
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Used SEIKO original part in very good condition. Picture shows the actual part.
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Part no: 903463
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Fits cal: 6139B
Technical data: SEIKO 6139B
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17 jewels, automatic wind, chronograph, 60 s, 30 min counter, day-date. -
S: = 27.0 mm. -
H: = 8.0 mm. -
N: = 21.600 A/h. -
Power reserve: 45 h.
Versions:
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6138A: 21 jewels. -
6138B: 21 jewels, modified switch mechanism. -
6139A: 21 jewels, without 12 h counter. -
6139B: 17 jewels, without 12 h counter, modified switch mechanism.