Introducing a new PADI Special Edition Diver’s watch, continuing the Seiko Prospex association with the globally renowned Professional Association of Diving Instructors. This watch shape is nicknamed by Seiko fans as a ‘Samurai’ – because of its angular shaped design which looks as if it were sliced by a Japanese Samurai sword. Here are the detailed specifications and features: Movement: Calibre: 4R35 Type: Automatic with manual winding Jewels: 23 Frequency: 21,600 vibrations per hour (6 beats per second) Power Reserve: Approx. 41 hours Features: Stop second hand function, Date display Case: Material: Dual-tone stainless steel Diameter: 43.8mm Thickness: 12.8mm Lug Width: 22mm Case Back: Screw-down, see-through Crown: Screw-down Dial: Color: Great Blue with sunray finish Markers: Applied indices Hands: Silver-tone hands & markers Features: Lumibrite on hands, indices, and bezel Crystal: Material: Sapphire with magnifier and anti-reflective coating Water Resistance Rating: Rating: 10 bar (100 meters) Compliance: ISO 6425 (Diver's Watch) Strap: Material: Silicone Clasp: Fold clasp Length: Approx. 48.7mm (lugs to lugs) Additional Features: Design: Classic diver's watch with modern aesthetics Day and Date Display: Yes Durability: High Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.