Eska

Discussion in 'Wrist Watches' started by fabiovenhorst, Jul 14, 2020.

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  1. fabiovenhorst

    fabiovenhorst Registered User

    Jun 25, 2017
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    This Eska arrived to me yesterday... I paid only $15 fot it
    img-18.jpg
    Not the best looking movement, but it's working. I shall take it to the watchmaker for cleaning... ETA 900 if I'm not mistaken...
    IMG_0365.JPG
     
    viclip likes this.
  2. roughbarked

    roughbarked Registered User

    Dec 2, 2016
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    watchmaker
    Western NSW or just this side of the black stump.
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    Region Flag:
    Concur ETA 900 or derivative.
    from Ranfft:
    Remarks
    option: Breguet hairspring, standard flat hairspring
    differences not known between 900, 902, 903, 927-929, 938, 941, 968
    likely just different bridge designs (cf. Fig.5)

    family:
    900: 10.5''', sub second
    901: 10.5''', sweep second
    930: 11.5''', sub second
    932: 11.5''', sweep second

    Example, year: signature; shock device
    1-2) ca. 1950: Eska Watch Co, Swiss, 17 Jewels - KU
    (Standard)
    3-4) ca. 1950: Eska Watch Co, Swiss, 17 Jewels
    (Breguet hairspring)
    5) ca. 1950: 12062, EON, Avalon Watch Co, Swiss, 17 Jewels - ETA
    (special balance with 10 adustable weights not known from ETA)
     

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