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Seiko 4720-3050
The Seiko 4720-3050 watch movement is an analog display mechanism incorporating a sweep seconds feature. It operates on quartz technology.
The Seiko 4720-3050 features the following functions:
- Analog Display
- Quartz Movement
- Sweep Seconds
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) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CENTER WHEEL, SS | 0270468 | 206/921 | Buy part |
| CIRCUIT | 4000276 | X/13132 | Buy part |
| COIL | 4002091 | X/13133 | Buy part |
| DIAL SPACER | 4408091 | X/13136 | Buy part |
| FIFTH WHEEL | 0701091 | M/4538 | Buy part |
| FOURTH WHEEL, SS HT | 227/1188 | Buy part | |
| HOUR WHEEL, FOR SXS868/870 | 0271468 | 255/1318 | Buy part |
| MINUTE WHEEL | 0261091 | 260/1403 | Buy part |
| NEGATIVE BATTERY CONNECTION | 4271092 | X/13013 | Buy part |
| RESET LEVER | 4455091 | X/13015 | Buy part |
| ROTOR STATOR | 4239091 | X/13135 | Buy part |
| SCREW, COIL BLOCK | 0016102 | X/13005 | Buy part |
| SCREW, NEGATIVE BATTERY CONN | 0016702 | X/13131 | Buy part |
| SCREW, PLATE | 0016103 | 5110/1054 | Buy part |
| SET WHEEL | 0281091 | 450/1326 | Buy part |
| STEM GUIDE PIPE | 0238091 | M/4500 | Buy part |
| STEM, T13 | 0351291 | 401/1242 | Buy part |
| STEP ROTOR | 4146091 | X/13134 | Buy part |
| TECH SHEET | TS/SEK 2K01A | Buy part | |
| THIRD WHEEL | 0231091 | 210/1673 | Buy part |
| TRAIN WHEEL BRIDGE | 0125183 | M/4497 | Buy part |
| TRAIN WHEEL SETTING LEVER | 0391091 | M/4537 | Buy part |
| UPPER FIFTH WHEEL HOLE | 0011433 | M/4496 | Buy part |
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