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  1. Seiko & Citizen Trading Post
    For sale is this 1978 Seiko C153-5007 Calculator Watch, the world's first LCD calculator watch. This one is in good shape with few scratches and only slight rainbowing on the LCD. All functions work and it comes on the original bracelet. The battery cover is pretty chewed up. This one has the...
  2. Watchmaking & Tinkering
    Hi all, I just swapped the LCD on my Seiko C153 calculator watch. I got a replacement LCD that came in the original unopened foil packet from a generous forum member. There's a film on it with a slight bubble in one corner. I know these have a polarizing filter, but is it possible they shipped...
  3. Seiko & Citizen Trading Post
    Hi! I'm looking for a nice Seiko C153-50XX Calculator watch with the black face plate. Price depends on condition, must have original bracelet. Thanks!
1-3 of 3 Results