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7a28-7040

  1. FS: $475 Seiko 7a28-7040 Quartz Chronograph / Speedmaster Clasp

    SEIKO & CITIZEN TRADING POST
    FS: Seiko 7a28-7040 Quartz Chronograph / Speedmaster Clasp - $475 Up for sale is a vintage Seiko 7a28-7040 quartz chronograph, circa the mid-1980s. Case measures 40.5mm. Black dial with three sub-dials. Black rotating click bezel. Original bracelet with the “Speedmaster”-signed clasp (see...
  2. 7A28-7040 - A bag of wonders!

    WATCHMAKING & TINKERING
    Well, one wonder specifically. I had bought this 7A28 in "used condition, not running". Well- it DID run, after a fashion. Seconds did the battery-is-empty two-step, the big chrono hand went 'round, but the 1/10th hand did not at first, then it started and stopped... Minute counter did...
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