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What's the difference between a Speedy 3523.8 and a 3521.8 ? (Newbie)

  1. chipsotoole Aug 3, 2016

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    Hello Omegoids,
    Newbie here. Can someone please explain the numerical system behind speedies, especially after the .
    I'm thinking of getting on,e but it may need a replacement dial. are they interchangeable between these models?
    Ta muchly,

    Chips

    PS oops 3523.8 and 3521.8 I mean!!!
     
  2. Archer Omega Qualified Watchmaker Aug 3, 2016

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    Both are blue dial Cal. 1151 Speedmaster automatics. The dial and case are slightly different between the two versions, as is the bracelet.

    Not huge differences, but they are there.

    Cheers, Al
     
  3. chipsotoole Aug 3, 2016

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    Thanks Al.
    I know it's nothing like a Moonwatch but it might just be my first Speedy!