Seiko 5 Sports Automatic 23 Jewels NATO Strap SNZF17J1 NATO4 Men's Watch Ratio Strap Mens Features: Case Bezel Material: Resin Stainless Steel Fidji Features: Case Bezel Material: Resin Stainless Steel Resin Strap Tough Solar Mineral Crystal Analog Digital Display Shock Resistant Mud Resistant Neobrite Double LED Light Afterglow World Time 31 Time Zones (48 Cities + UTC) 1 1000 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Hand Shift Feature Battery Level Indicator Full Auto Calendar (To Year 2099) 12 24 Hour Format Button Operation Tone On Off Regular Timekeeping Accuracy: ±15 Seconds Per Month Day And Date Display Solid Case Back Buckle Clasp 200M Water Resistance Approximate Size Of Case: 56 112 Sapphire Crystal White Dial Date Display Deployment Clasp 200M Water Resistance Approximate Case Diameter 39mm Approximate Case Thickness 10 Features: Made in Japan Stainless Steel Case Black NATO Strap Automatic Movement Calibre: 7S36 23 Jewels Hardlex Crystal Black Dial Luminous Hands And Marker Day And Date Display Unidirectional Rotating Bezel See Through Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 45mm Approximate Case Thickness: 13mm