The Seiko Prospex Automatic Diver's Watch 'Great Blue' Samurai Scuba PADI Special Edition SRPJ93K combines robust features tailored for diving enthusiasts. It utilizes the Seiko 4R35 automatic and manual winding movement, accurate within 30 / -45 seconds per day. The stainless-steel case incorporates anti-reflective sapphire glass and a silicone rubber strap, measuring 43.8mm x 12.8mm with a lug width of 22mm and a lug to lug distance of 48.7mm. It boasts a water resistance rating of 200m / 20 bar, featuring a screw case back, screw lock crown, and a uni-directional rotating bezel.This PADI Special Edition diver's watch continues Seiko's collaboration with the Professional Association of Diving Instructors (PADI), known for its angular 'Samurai' design reminiscent of a Japanese sword cut. The dial, inspired by the sun's reflection on water, includes a light blue minute hand and bezel scale for enhanced underwater readability. The silicone strap is adorned with "Professional Association of Diving Instructors" branding. It operates on the in-house 4R35 mechanical movement with a 40-hour power reserve and includes sapphire glass with a magnified date display.Seiko remains the exclusive global watch brand authorized to produce professional diver's watches in official PADI colors, supporting the PADI Ocean Cleanup campaign through sales of the Prospex collection. Defined by the fusion of 'Professional' and 'Specifications,' Seiko Prospex timepieces are engineered to be durable, reliable, and practical, meeting the rigorous demands of sports and adventure enthusiasts in extreme environments.- Calibre 4R35- Automatic – Powered by the movement of the wearer - 43.8mm Case Size - Stainless Steel Case - Silicone Strap - Sapphire Glass with magnifier and anti-reflective coating on the inside - Screw Down Crown - One Way Ceramic Rotating Bezel - 200 Meters Water Resistant