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Seiko 7731-5120
Ligne: 6.75 x 8'''
The Seiko 7731-5120 is a quartz movement designed for analog display without a second hand.
The Seiko 7731-5120 features the following functions:
- Analog Display
- Quartz Movement
- Without Second Hand
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 | 364 | SR621SW | Buy part |
| BATTERY INSULATOR | X/12850 | 4046/FE 6120A | Buy part |
| CANNON PINION, HT 1.80 | 240/2031 | Buy part | |
| CIRCUIT | X/12583 | 4000/FE 5120 | Buy part |
| CLUTCH LEVER COMBINATION | 435/1207 | Buy part | |
| CLUTCH WHEEL | 407/1321 | Buy part | |
| COIL | X/12402 | 4060/FE 5120 | Buy part |
| COIL | X/13275 | 4060/6120A | Buy part |
| COIL GUARD | X/12586 | 4068/FE 5130A | Buy part |
| ELECTRONIC MODULE | X/13823 | 4000/FE 6120A | Buy part |
| HOUR WHEEL, HT 1.06 | 250/1746 | 250/FE 5120 | Buy part |
| MINUTE COCK | 462/349 | Buy part | |
| MINUTE WHEEL | 260/1381 | Buy part | |
| PLATE, COIL GUARD, & BRIDLE | 5110/1045 | Buy part | |
| POSITIVE BRIDLE | X/12851 | 4401/FE 6120A | Buy part |
| ROTOR | X/12587 | 4211/5120 | Buy part |
| SCREW, CIRCUIT | X/12590 | Buy part | |
| SCREW, CLUTCH LEVER | 5435/48 | Buy part | |
| SCREW, DIAL SIDE | 5750/774 | Buy part | |
| SET LEVER W/AXLE | 443/1756 | 443/FE 5120 | Buy part |
| SLIDE PINION MAIN PLA | M/4392 | 5470 | Buy part |
| SLIDE PINION MAIN. PL | M/4391 | Buy part | |
| STATOR | X/12584 | 4021/FE 6120A | Buy part |
| STEM, TAP 10 | 401/1225 | 405/FE 5120 | Buy part |
| THIRD WHEEL | 210/1660 | Buy part | |
| TRAIN WHEEL BRIDGE BANKING | X/12588 | 4396/FE 5130A | Buy part |
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