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. Water resistance: 300 m / 30 ATM. Luminous: Swiss Super Luminova C3 (Green). Diameter: 41.0 mm. Lug Size: 20 mm. Appreciate your kind understanding. The item “Heimdallr Sharkey 62MAS Diver 300M WR Automatic Watch NH35A Sapphire 41mm 316L” is in sale since Saturday, August 31, 2019. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Wristwatches”. The seller is “blackoctober” and is located in Hong Kong. This item can be shipped worldwide.