By TLex SEIKO will release a 500 piece Limited Edition of the MM Professional AKA 'Tuna Can' on September 8th across Japan. The 'SEA GOLGO' Ref. SBBN023 is one three special edition watches made in collaboration with the popular Japanese Manga, Golgo 13. The other two are known as, the Golgo 'Land' and 'Sky'. The popular Manga series is written and illustrated by Takao Saito. Its main character, Duke Togo (below) is a professional assassin.
The watch case measures 47.0mm x 14.8mm. It is constructed from Stainless steel and is coated with a tough glossy black protective coating (not sure what that is). It has a water-resistance of 300 meters and is suitable for Saturation Diving. It is fitted with a double domed Sapphire crystal and a screwdown crown and caseback. It is powered by a SEIKO Quartz caliber, the 7C46 with 7 jewels, which is protected by an anti-magnetic shield.
Further details can be viewed HERE in Japanese . . .