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Seiko 6119-6053 "Regatta" Sport Diver, restored, w/ rare NOS parts


This is a fully restored Seiko “Regatta” or Yachstmaster or sailboat racing timing watch. I’m not really sure what they’re called, honestly. But they’re neat. Anyway, they’re one of Seiko’s only double-bezel designs - outer rotating ring and internal rotating indicator ring.

I did a video on this watch after I restored it:

  • 21j 6119C non-hacking movement fully serviced, repaired, restored

  • Movement upgraded with upper & lower mainspring arbor jewels

  • Mainspring upgraded to slightly stiffer one to give higher amplitude

  • Dial surface stabilized and re-clear coated

  • Dial and hands relumed with my Vinta-Lume

  • EXTREMELY RARE NOS Indicator ring installed

  • EVEN RARER NOS rotating ring installed

  • Case rebuilt with all new seals

  • KVW crystal installed

  • Case in original polish; good case edges and surfaces.

  • Bracelet is modern Uncle Seiko; solid stainless steel, fantastic quality

  • Caseback is a clear display one from a modern Seiko. These would have come with a standard solid stainless back, but this watch was missing the back when it came to me. I liked seeing my handiwork so I left it.

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