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Seiko 1400-7720
The Seiko 1400-7720 watch movement features an analog display and operates on a quartz mechanism.
The Seiko 1400-7720 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 CONNECTOR | X/11588 | Buy part | |
| BATTERY INSULATOR | 233-52 | X/7965 | Buy part |
| BATTERY STRAP | 234-148 | X/11589 | Buy part |
| CANNON PINION, HT 1.90 | 028-16 | 240/1884 | Buy part |
| CIRCUIT USE 279-79 | 279-256 | X/11890 | Buy part |
| CLUTCH LEVER | 071-55 | 435/1052 | Buy part |
| CLUTCH WHEEL | 064-49 | 407/1151 | Buy part |
| COIL | 246-37 (use 246-21) | 246-37 | Buy part |
| FIFTH WHEEL | 084-09 | M/3374 | Buy part |
| FOURTH WHEEL, SECOND FM ROTOR | 023-106 | 220/887 | Buy part |
| HOUR WHEEL, HT | 075-134 | 250/1548 | Buy part |
| MINUTE WHEEL | 072-59 | 260/1205 | Buy part |
| MINUTE WHEEL GUARD | 079-70 | 462/278 | Buy part |
| RESET LEVER | 292-04 | M/3376 | Buy part |
| RESETTING LEVER HOLDE | 175-06 | M/4165 | Buy part |
| ROTOR | 285-11 | X/7971 | Buy part |
| SCREW, COIL UNIT | 922-107 | X/7972 | Buy part |
| SET BRIDGE | 077-80 | 445/1354 | Buy part |
| SET LEVER | 067-102 | 443/1564 | Buy part |
| SET SPRING | 902-125 | 440/1040 | Buy part |
| SET WHEEL | 076-47 | 450/1188 | Buy part |
| STATOR | 190-17 | X/7964 | Buy part |
| STEM | 065-228 | 401/886 | Buy part |
| THIRD WHEEL | 017-84 | 210/1489 | Buy part |
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