Vintage Seiko Worldtime GMT black ref.6117-6410 in showroom condition

Vintage Seiko Worldtime GMT black ref.6117-6410 
Carefully selected trade-in, restored to original factory condition.

Unworn when it leaves us.
You become the first owner of this watch.
Acquired as a trade-in from a reputable jewelry store. We only select pieces that can be correctly restored to original factory condition.
Restoration work performed:
Full movement service and overhaul
Hands diamond-cut to restore original finish
Case carefully restored (scratches addressed without destroying original geometry)
Original dial and indexes thoroughly inspected
New seals and gaskets as required

Three artisans spent approximately 40 hours returning this timepiece to original factory condition.
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in exceptional showroom-quality condition.  
Key Specs:  

Dial: Seiko’s original black dial with bar indices, paired with a world time inner bezel featuring a GMT scale and Arabic numerals
Movement: Mechanical Automatic (cal.6117) 17 jewels
Manufacture area: 1970s
Crystal: Acrylic
Case metarial: Stainless steel
Case Diameter: 38mm (excludes crown)
Crown: Push-down crown
Strap: Vintage Racing blue strap