Add to cart EIKO PROSPEX BLACK DIAL MOHAWK WITH SEIKO 4R36, 24-JEWEL AUTOMATIC MOVEMENT #SRP585 $475.00 The Seiko Prospex SRP585 has been nicknamed the Mohawk due to its slightly raised 20-minute portion of the bezel. Inside the watch is the 24-jewel Seiko caliber 4R36 automatic (self-winding) movement that also hand winds and is hackable. The powerful Seiko LumiBrite luminescent material is used to fill the silver hour makers and hands for excellent glow-in-the-dark capability. Lug width is 23mm. Case size is 45mm. Hardlex mineral crystal. Seiko stainless steel bracelet with a push-button deployant clasp. Solid screw-in case back. Water resistant to 200 meters. Day and date window. Screw-down crown.