No products in the cart.
Return To ShopWatch Database
Seiko 0903-7020
Ligne: 10.5'''
The Seiko 0903-7020 is a mechanical watch movement that features a number of functions, including timekeeping and power reserve indicator.
The Seiko 0903-7020 features the following functions:
- Mechanical Movement
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.100 x 280 x 8.5 mm | GR3663 | Manual | Buy mainspring |
| 1.40 x 0.105 x 240 x 8.5 mm | GR3677 | Manual | Buy mainspring |
| 1.40 x 0.110 x 260 x 8.0 mm | GR3696 | 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 |
|---|---|---|---|
| JEWEL, UPPER BALANCE CAP | 311/76 | Buy part | |
| MAINSPRING 1.40-.105-240 8,5 | MS-510E | GR 3677 | Buy part |
| MAINSPRING 1.40-.11-260 8 | MS-510H | GR 3696 | Buy part |
| PALLET ARBOR | 72S/106P | 714/MIN 20 | Buy part |
| STAFF | 100/175 | BUL 10AN | Buy part |
| STEM, TAP 10 (LONG) | 200/121F | /FF 1144 | Buy part |
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
