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Tissot 23.3R-21
Ligne: 12.5'''
Jewels: 17/25
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1957-1962
Diameter: 28.5 mm
Height: 4.2 mm
Hands: 1.50 x 0.90 x 0.22 mm
Base: Buren 1000
The Tissot 23.3R-21 watch movement, produced from 1957 to 1962, was part of the first movement family to feature a micro rotor for self-winding. It utilized a unique self-winding gear system, employing a pinion floating between two large jewels to switch direction. In certain 17-jewels variants, one of these jewels was substituted by a polished steel disc. Not much is known about the differences between the 663 and 666 variations. The movement featured automatic winding and a sweep second function.
The Tissot 23.3R-21 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.095 x 340 x 9.5 mm | GR2436X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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