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Seiko 5A74-3A90
Ligne: 5 x 7'''
The Seiko 5A74-3A90 watch movement incorporates the KIF Shock Protection system, which enhances its durability and reliability against external shocks. The movement also features a sweep seconds function, allowing for precise measurement of time intervals.
The Seiko 5A74-3A90 features the following functions:
- KIF Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.070 x 220 x 6.0 mm | GR2855 | Manual | Buy mainspring |
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 |
|---|---|---|---|
| MAINSPRING 1.20-.07-220 6 | MS-314C | GR 2855 | Buy part |
| PALLET ARBOR | 72S/33P | 714/ETE 1401 | Buy part |
| ROLLER | 82S/315R | Buy part | |
| SET WHEEL RING | M/149 | 3014 | Buy part |
| STAFF, KIF | 100/1573 | Buy part | |
| STEM | 200/1118F | 200/1118F | Buy part |
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