21,600 beat rates (3Hz). 41 hours power reserve. Case Material: 316L Stainless Steel. Case Back: 316L Stainless Steel. Bezel: Rotatable bezel (360 degrees). Bezel Insert: Ceramic Bezel Insert. Crystal: Sapphire glass with AR-Coating. Movement: Japan Seiko SII NH35A Automatic Movement. Strap: Stainless Steel Bracelet/ Link/Silicone Rubber/ Leather. Water resistance: 300 m / 30 ATM. Luminous: Swiss SuperLuminova C3 (Green). Diameter: 47.0 mm. Lug Size: 22 mm. Items include: 1x watch, 1x waterproof protective casing. Appreciate your kind understanding. The item “Marine Master Tuna 47mm Japan Mvt NH35A Diver 300M Automatic Watch Sapphire 316L” is in sale since Wednesday, August 7, 2019. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Wristwatches”. The seller is “modaceco” and is located in default. This item can be shipped worldwide.