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Seiko 7321-5420
The Seiko 7321-5420 watch movement is equipped with a pin lever escapement and incorporates 21 jewels.
The Seiko 7321-5420 features the following functions:
- Automatic Winding
- Balance wheel
- Chronograph Movement
- Escapement mechanism
- Gears
- Hacking seconds mechanism
- Jewels
- Lever escapement
- Moon phase Complication
- Perpetual Calendar
- Power Reserve Display
- Quickset date mechanism
- Tourbillon Complication
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 232 | Ordinary/None | Buy staff |
| 198 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.105 x 480 x 11.5 mm | GR3976 | 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
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