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Seiko 8420-7740
Ligne: 13.25'''
The Seiko 8420-7740 watch movement is a quartz movement that features an analog display alongside a digital display.
The Seiko 8420-7740 features the following functions:
- Analog Display
- Digital 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 | 389 | Buy part | |
| BUZZER CONTACT SPRING | 902-163 | X/11953 | Buy part |
| CIRCUIT | 279-306 | 279-306 | Buy part |
| COIL | 246-34 | 246-34 | Buy part |
| FIFTH WHEEL & PIN | 084-15 | M/4242 | Buy part |
| HOUR WHEEL, SS | 075-158 | 255/1241 | Buy part |
| JEWEL, LOWER ROTOR | 942-18 | X/8383 | Buy part |
| LAMP SUPPORTER | 226-84 | X/11954 | Buy part |
| LC DISPLAY PANEL | 281-216 | X/11958 | Buy part |
| MINUTE WHEEL | 072-70 | 260/1378 | Buy part |
| POWER CELL CONNECTOR | 231-68 | X/11955 | Buy part |
| POWER CELL INSULATOR | 233-106 | X/11956 | Buy part |
| ROTOR | 285-23 | X/11959 | Buy part |
| SCREW, CIRCUIT /COIL | 922-132 | X/9666 | Buy part |
| SCREW, DIAL SIDE | 928-17 | 5750/787 | Buy part |
| SCREW, LC DISP PANEL HOLD | 924-47 | X/9981 | Buy part |
| SET LEVER | 067-127 | 443/1726 | Buy part |
| STEM, M-S | 065-264 | 401/1178 | Buy part |
| SWITCH ACTIVAT. SPRING | 282-23/CIT | X/12433 | Buy part |
| THIRD WHEEL | 017-94 | 210/1639 | Buy part |
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