ClubOkieS, the Spanish watch forum of Seiko lovers, and TACTICO WATCHES, have been working together to revise the original SEIKO 6159-7001, aka “Grand Seiko Diver” or “Seiko Holy Grail”.


400 units



  • Bezel diameter: 42mm
  • Case diameter: 43,50mm
  • Total thickness: 15,25mm
  • Thickness without sapphire crystal: 14mm
  • Length: 48mm
  • Crystal diameter: 31mm
  • Crystal thickness: 3mm
  • Strap wide: 22mm
  • Crown diameter: 7mm
  • Bezel thickness: 4mm


  • Case, crown, case back cover and bezel made of 316L stainless steel. Brushed and polished finished
  • Bezel inlay and main crystal made of sapphire
  • Viton and tefzel gaskets
  • Rubber for straps and nylon for NATO strap
  • BGW9 Superluminova for dial and hands
  • Dark yellow Superluminova for bezel pearl
  • Solid 316L stainless steel custom bracelet with diver extension clasp offered like spare part


  • Japan TMI SII NE15 movement (SEIKO)
  • Applied indexes and date window frame
  • ANKO name applied over dial
  • Dark grey soleil effect dial
  • Crown and case back cover screwed down
  • 1000 meters water resistant
  • Double domed sapphire crystal with AR on inner side
  • Limited Edition


  • Watch
  • Waterproof suitcase
  • Bonetto Cinturini rubber strap
  • Custom NATO strap
  • Bars remove tool
  • Cleaning cloth
  • Warranty card
  • Booklet
  • Extra bars