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Seiko 6139-6010, "Proof / proof", February 1970. Complete & unrestored


This is a complete and original slim-case “proof” 6139-6010. Untouched and original, complete with a full-length bracelet. This has sat in my projects drawers for many years. Hard to find these now in this sort of original condition.

  • “Proof / proof” watch, A-type movement, two-piece sweep

  • 17j 6139A movement is in good physical condition, but unserviced

  • Bracelet is full-length

  • Original 330W18GN00 crystal is quite good; a few marks

  • Dial surface is perfect

  • Lume on dial is slightly patina’d.

  • Hand lume has minor but visible patina

  • Movement entirely functional but unserviced - this is not a “strap it on and go” watch.

  • Seals are all original and must be considered non-functional

  • Bracelet and case come with their original owner’s grime

Service for this watch can be arranged if the buyer wants that.

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