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Seiko 1F20-6G90
The Seiko 1F20-6G90 watch movement features an alarm function and an 8-day calendar. Specifically designed for clocks, it also includes a calendar with quickset capabilities.
The Seiko 1F20-6G90 features the following functions:
- 8 Day Calendar
- Alarm Complication
- Calendar with quickset
- Designed for Clocks
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) | |
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| 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 180X59X12 | 400/50 | 511.12/INCA #34 | Buy part |
| JEWEL, INCA LOWER CAP 153X23 | 400/47 | 522.11/INCA #33 | Buy part |
| JEWEL, INCA UPPER CAP 153X35 | 400/46 | 521.11/INCA #32 | Buy part |
| LOWETR UNIT | 513.20.12 | Buy part | |
| SCREW, INCA SHOCK 95 LENGTH | 400/44 | 560.41/INCA #36 | Buy part |
| SHOCK UNIT, COMPLETE LOWER H12 | 400/62 | 500.20.12 | Buy part |
| SPRING, INCA SHOCK 320X200 | 400/45 | 570.02-3/INCA #31 | Buy part |
| UPPER SETTING D440 H12 | 400/56 | 500.13.440.12 | Buy part |
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