No products in the cart.
Return To ShopWatch Database
ETA 743
Ligne: 7.75 x 11.75'''
Jewels: 15
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1937-1940
Size: 17.65 x 26.4 mm
Hands: 1.22 x 0.66 / 0.16 mm
The ETA 743 watch movement, manufactured from 1937 to 1940, features a Breguet hairspring and is designed specifically for Curvex models. It incorporates Gruen's proprietary Conoruma alloy for the hairspring and balance, offering low temperature dependence. This manual wind movement includes a sub second function.
The ETA 743 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.110 x 260 x 8.0 mm | GR2947 | 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 | 721/GUR 330 | 721/GUR 330 | Buy part |
| CANNON PINION | 240/GRU 330 | Buy part | |
| CLUTCH WHEEL | 407/GRU 330 | Buy part | |
| CROWN WHEEL | 420/GRU 330 | 420/GRU 330 | Buy part |
| MAINSPRING 1.20-.11-260 8 | MS-310H | GR 2947 | Buy part |
| MINUTE WHEEL | 260/GRU 330 | Buy part | |
| PALLET FORK AND ARBOR | 710/GRU 330 | 710/GRU 330 | Buy part |
| SCREW, SET LEVER | Buy part | ||
| SET LEVER | 443/GRU 330 | Buy part | |
| STAFF | 100/388 | 723/GRU 330 | Buy part |
| STEM, TAP 8 | 200/399F | 401/GRU 311 | Buy part |
| THIRD WHEEL | 210/GRU 330 | Buy part | |
| WINDING PINION | 410/GRU 330 | 410/GRU 330 | Buy part |
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
