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Return To ShopThe Seiko 2104A is a mechanical watch movement that includes a chronograph function.
The Seiko 2104A features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.150 x 420 x 12.5 mm | GR4258 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 721/696 | 721/696 | Buy part |
| MAINSPRING 1.50-.17-406 | MS-65V | GR 4258 | Buy part |
| PALLET ARBOR | 72S/126P | 714/VAL 22 | Buy part |
| ROLLER 280X120X54 | 82S/133R | Buy part | |
| STAFF, INCA ROL .60 O/A 4.74 | 100/1040 | Buy part | |
| STAFF, NON-SHK ROL 55 O/A 4.55 | 100/138 | Buy part | |
| STEM | 200/134F | Buy part |
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