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Bettlach 8481-74
(EB)
Ligne: 10.5'''
Jewels: 15
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1939-
Diameter: 23.4 mm
Height: 4.1 mm
Hands: 1.22 x 0.66 / 0.16 mm
Base: Gruen 405
The Bettlach 8481-74 watch movement, produced from 1939 onwards, features a Breguet hairspring and a stem mechanism that lacks a setting-lever spring. This manual wind movement includes a sub-second function.
The Bettlach 8481-74 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.110 x 250 x 9.0 mm | Manual | Buy mainspring | |
| 1.10 x 0.110 x 260 x 8.5 mm | GR2632 | 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 |
|---|---|---|---|
| BALANCE COMPLETE, BREGUET | 721/807 | 721/807 | Buy part |
| CLUTCH | 407/GRU 405 | Buy part | |
| MAINSPRING 1.15-.11-254 | MS-2510F | GR 2632 | Buy part |
| PALLET ARBOR | 72S/109P | 714/AS 843 | Buy part |
| ROLLER 210X80X42 | 82S/84R | Buy part | |
| STAFF | 100/392 | 723/GRU 405 | Buy part |
| STEM, T8 (OLD) | 200/402F | Buy part | |
| STEM, TAP 10 (NEW) | 200/405F | 401/GRU 405NM | Buy part |
| STEM, TAP 8 OVERSIZE (OLD) | 200/928F | Buy part |
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