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The Lemania 3100 watch movement, which was used from 1958 to 1963, features a flat freesprung hairspring and a DuraBalance regulator with two regulating weights. The regulator lever enables simultaneous shifts of the weights along the spiral-shaped spokes. It incorporates screwed cap-jewel plates for balance and shock protection is provided by the elastical balance spokes. Furthermore, the movement is characterized by manual winding and a sweep second function.
The Lemania 3100 features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 5-770/ELG | Buy part | |
| CLUTCH LEVER | 6821/ELG | 137-711/ELG | Buy part |
| FRICTION SPRING | 251-775/ELG | Buy part | |
| MAINSPRING 5.5-7-11 DBH | MS-JA132 | GR 3966-DBH | Buy part |
| RATCHET WHEEL | 290-775/ELG | Buy part | |
| SET BRIDGE | 40-729/ELG | Buy part | |
| STAFF | 264-760/ELG | 264-760/ELG | Buy part |
| STEM (WINDING ARBOR) | 6814/ELG | 3-711/ELG | Buy part |
| WHEEL, FOURTH | 284-775/ELG | Buy part |
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