Seiko 5 Sports SRPD51 Automatic Hamilton LUMINOUS FEATURES: Tritium gas tubes

LUMINOUS FEATURES: Tritium gas tubes & MaraGlo™

Functions: Day/date calendar

the pinnacle of the G-SHOCK lineup

26 Jewel Marathon M2 automatic movement made by Sellita

Seiko 5 Sports SRPD51 Automatic Hamilton LUMINOUS FEATURES: Tritium gas tubesCaliber Number 4R36 Movement Type Automatic with manual winding capacity Accuracy +45 to 35 seconds per day Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Hardlex LumiBrite Lumibrite on hands and indexs Other Details Water Resistance 10 bar Case Size Thickness: 13. 4 Diameter: 42. 5 Length: 46 Other Specifications Screw case back See through case back Unidirectional rotating bezel Other Features 24 jewels Day Date display