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Citizen 2301
Ligne: 18.5'''
Jewels: 15/17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 41.65 mm
Height: 4.7 mm
Hands: 2.00 x 1.15 / 0.26 mm
The Citizen 2301 is an open face calibre watch movement, likely manufactured around 1945. It features a stem wind and set mechanism, along with a sub second function. The movement may have an optional Breguet hairspring and potentially incorporates a left-handed ratchet-wheel screw. Various bridge shapes are reported, with designations such as 431, 435, 439, 445, 451, 455, and 479. However, further details regarding the differences between these designations are currently unknown.
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.00 x 0.200 x 475 x 16.5 mm | Manual | Buy mainspring | |
| 1.90 x 0.210 x 520 x 16.5 mm | GR5676 | Manual | Buy mainspring |
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