Seiko Prospex Marine Master SBBN047 Shipped from Japan! The Seiko Marine Master SBBN047 is nicknamed the "tuna can" because of Seiko's unique outer case that protects the watch body. This world-first outer case protector structure makes this diver's watch highly shock-resistant and safe. In addition, this watch does not require a helium escape valve even though it is a full-fledged diver's watch waterproof to 1,000m saturation diving. Reliable, durable, and water resistant, this watch is ready to support your exciting outdoor adventures. Seiko Prospex Marine Master SBBN047 Specifications Part number : SBBN047 Case : Stainless steel Strap : Stainless steel bracelet Super black diamond shield Screw lock crown Glass : Sapphire Lumibright : Hands, indexes, bezel Dial : Black Water resistance : 1,000m saturated submersible Anti-Magnetic : Yes Weight : 118.5g Case Size : 49.4 mm (width) / 49.4 mm (height) Thickness : 16.3mm Wrist circumference (maximum) : 210.0mm Made in Japan Movement Movement : Battery operated quartz 7C46 Accuracy : ±15 sec. per month on average Battery life : Approx. 5 years Number of jewels : 7 Calendar (date and day of week) Seiko Prospex Marine Master SBBN047 Accessories Original box 3-year manufacturer's international warranty SEIKO has done away with paper instruction manuals.Please download the instruction manual from the SEIKO website
