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Seiko W921-4120
The Seiko W921-4120 is a quartz movement that features an analog display and supports both day and date display functions.
The Seiko W921-4120 features the following functions:
- Analog Display
- Quartz Movement
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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 |
|---|---|---|---|
| BATTERY | SB-DS | Buy part | |
| BATTERY CONNECTION | 4270025 | X/10945 | Buy part |
| BATTRY CONNECTION PLUS TERM | 4242059 | X/9166 | Buy part |
| BATTRY HOLDING SPRING | 4225015 | X/8121 | Buy part |
| CIRCUIT BLOCK | 4002011 | X/12517 | Buy part |
| CLUTCH LEVER | 0384015 | 435/1149 | Buy part |
| DATE DRIVING WHEEL | X/10071 | 802017 | Buy part |
| DAY DIAL SNAP | 0963006 | X/7534 | Buy part |
| DAY FINGER | 0868010 | X/9255 | Buy part |
| INT DATE WHEEL | 0817013 | X/8337 | Buy part |
| JEWEL, U/L ROTOR/UP FOURTH | 0011541 | X/7988 | Buy part |
| JEWEL, UPPER/LOWER 885727 | 0011542 | M/3417 | Buy part |
| SCREW, CIRCUIT BLOCK | 0012450 | X/8346 | Buy part |
| SCREW, ST BRI,YK SPRHL,DTEFI | 0012778 | 5445/567 | Buy part |
| SECOND JUMPER | M/3404 | 012451 | Buy part |
| SET LEVER | 443/1687 | 383038 | Buy part |
| SET LEVER AXLE SPRING | 0389008 | M/4016 | Buy part |
| STEM, GENUINE | 0354052 | 401/873 | Buy part |
| STEP ROTOR | 4146005 | X/9165 | Buy part |
| THIRD WHEEL BRIDGE | 0012379 | M/3809 | Buy part |
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