Custom Seiko Mod - 39mm NH 35 - mod Seiko Mod powered by a NH35 movement. Case Diameter - 39mm Without Crown. Case Material - High Quality 904L Stainless Steel. Case Thickness - 12 mm. Crystal - Scratch Resistant Sapphire. Bezel - Fluted Stainless Steel. Water Resistance - 50 Meters. The NH35 movement comes hacking ability, 41 hour power reserve and is self winding. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "blackcatwatchmods" and is located in this country: US.