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Seiko 1F20-5240
The Seiko 1F20-5240 watch movement is equipped with a chronograph function. It is able to accurately measure and display elapsed time intervals, including hours, minutes, and seconds. This movement operates autonomously within the watch and helps users keep track of time with precision.
The Seiko 1F20-5240 features the following functions:
- Chronograph Movement
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
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 |
|---|---|---|---|
| JEWEL, INCA BALANCE 135X50X11 | 400/13 | 111.11/INCA #10 | Buy part |
| JEWEL, INCA UPPER CAP 120X27 | 400/7 | 121.11/INCA #5 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| LOWER INCA SETTING D230 H11 | 400/64 | 103.20.11 | Buy part |
| SHOCK SPRING, LOWER 223 X 155 | 400/811 | 173.03/INC | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| UPPER UNIT | 183.12.312.11 | Buy part |
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