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Marvin 525
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 Marvin 525 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.
The Marvin 525 features the following functions:
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 |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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