Product Review

This is a highly desired Seiko professional dive watch that is nicknamed the Tuna or Tuna Can. It features a 7-jewel, Seiko 7C46 movement that is accurate to within at least 15 seconds a month. Battery life is rated at 5 years. The watch is anti-magnetic, has a day and date display, highly luminous hands and markers treated with Lumibrite for awesome low light visibility, a screw down offset crown, a uni-directional diving bezel with luminous PIP at 12:00, a Hardlex crystal, and a solid etched, screw-down case back. The robust 48mm case includes a stainless steel shroud as added protection when diving. The SBBN031 model comes with Seiko black rubber dive strap. Rated at 300 meters water resistance this watch can handle just about any diving adventure. Features Movement: Seiko 7C46 7-Jewel quartz (5-year battery operated) Case: Stainless steel, 48mm x 14.7mm thick. Back: Engraved screw-in back Crystal: Hardlex Mineral Band: Seiko rubber dive strap Water Resistant: 300 meters Warranty: 2 Years