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| Elgin 760 Features automatic sweep second Data 6/0 size, 10 x 11.5''', Dm= 22.5 x 25.6mm H= 4.3mm 30 jewels f = 18000 A/h power reserve 34h | Remarks 1958-1963 chronometer quality flat freesprung hairspring stud carrier regulator with friction gear DuraBalance regulator: balance with two regulating weights, shifted simultaneously along the spiral-shaped spokes with a regulator lever Elgin combined settings (similar to Kif Duofix) for the balance; shock protection is realized by the elastical balance spokes automatic with two roller freewheels, 3 ruby rollers each (cf. Girard-Perregaux) unusual: ratchet only in selfwinding gear, crown mechanism with rocker bar Example, year: signature; shock device ca. 1960: Elgin, U.S.A, 6 Adj, 30 Jewels |
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