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| Elgin 830A Features manual wind Data 20/0 size, Dm= 13.2 x 15.55mm H= 3.5mm 23 jewels f = 18000 A/h power reserve 41h | Remarks 1958-1963 like 830, but adjusted in 6 positions instead of 3 flat freesprung hairspring DuraBalance regulator: balance with two regulating weights, shifted simultaneously along the spiral-shaped spokes with a regulator lever the shock protection is realized by the elastical balance spokes Example, year: signature; shock device ca. 1960: Elgin, U.S.A, 6 Adj, 23 Jewels |
| bidfun 20.2 © 09-04-10, mtr |
 ...the alternative - free of charge! |
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