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Seiko 1N01-5B50
The Seiko 1N01-5B50 watch movement comprises an adjustable stud holder for enhanced accuracy, shock protection mechanism to ensure durability, a sweep seconds hand for precise timekeeping, a beat rate of 21600 vibrations per hour for consistent performance, and utilizes 10/21 jewels for reduced friction and improved longevity.
The Seiko 1N01-5B50 features the following functions:
- Adjustable Stud Holder
- Shock Protection
- 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) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 039-66 | 721/2115 | Buy part |
| BARREL & ARBOR | 008-44 | 182/1334 | Buy part |
| BARREL ARBOR | 009-35 | 195/1358 | Buy part |
| CLICK | 060-28 | 425/992 | Buy part |
| CLICKSPRING | 902-92 | 430/1048 | Buy part |
| CLUTCH WHEEL | 064-02 | 064-02 | Buy part |
| CROWN WHEEL RING | 057-12 | 422/704 | Buy part |
| MINUTE WHEEL | 072-32 | 260/1151 | Buy part |
| PALLET FORK/ARBOR | 035-42 | 710/1342 | Buy part |
| REGULATOR | 051-53 | 301/1451 | Buy part |
| ROLLER | 044-02 | 730/64 | Buy part |
| SET BRIDGE | 077-38 | 445/1271 | Buy part |
| SET LEVER WITH AXLE | 067-43 | 443/1472 | Buy part |
| STAFF | 043-37 | 723/1235 | Buy part |
| STEM | 065-102 | 401/760 | Buy part |
| SWEEP SECOND PINION, HT 3.40 | 025-36 | Buy part | |
| THIRD WHEEL | 017-10 | Buy part | |
| WINDING PINION | 063-22 | 410/1323 | Buy part |
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