DESCRIPTION This design is a modern interpretation of the original 1968 Turtle, featuring an elegant but sporty 5-row bracelet with newly developed compact clasps to match the slim case, while the date window is positioned for legibility, without interference with the indices. 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. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standard Movement Caliber Number: 6R35 Movement Type: Automatic with manual winding Precision: +25 to -15 seconds per day Power reserve: Approx. 70 hours Jewels: 24 Functions Stop second hand function Date display Case Size Thickness: 12.3mm Diameter: 41.0mm Lug-to-lug: 46.9mm Weight: 156.0g Case Material: Stainless steel (super hard coating) Crystal: Curved sapphire crystal Crystal Coating: Anti-reflective coating on inner surface LumiBrite: LumiBrite on hands, index(es) and bezel Band Material: Silicone Distance between lugs: 20mm Features Magnetic Resistance: 4,800 A/m Unidirectional rotating bezel Screw-down crown Three-fold clasp with secure lock Screw case back Not included in any Sale or Promotion - More Information