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Seiko 6105B
Ligne: 13.25'''
Jewels: 7/15/17
Frequency: 18000 vph
Type: Automatic
Period used: ~1960
Diameter: 30 mm
Hands: 1.40 x 0.80 x 0.20 mm
The Seiko 6105B is a mechanical watch movement featuring a ball-bearing rotor and an excenter self-winding mechanism with just one gear stage. It is typically identified by the signature Lorsa 237B. This movement, commonly used in watches around 1960, offers several functions including automatic winding, sweep seconds, a date hand that can be set by +/-24 hours, and a calendar feature. An optional pusher at 2 o'clock can be used for adjusting the date hand.
The Seiko 6105B features the following functions:
- Automatic Winding
- Calendar
- Date Hand: Set by +/-24h, optional pusher at 2h
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.65 x 0.090 x 8.5 mm | Auto | Buy mainspring |
Parts Listing
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