SEIKO SSB417

 Caliber 8T63 Quartz Movement: ±15 s/mo; \~3 yr battery; 24 h hand, small-seconds subdial, 60 min chronograph (1/5 s) & date
 Stainless-Steel Case: 43.0 mm Ø × 11.6 mm thick; 50.4 mm lug-to-lug; hard-coating finish
 Sapphire Crystal & LumiBrite: Luminous hands & indices for clear legibility
 Nylon Strap: 22 mm width; lightweight and durable
 10 bar Water Resistance: Suitable for everyday wear
 Screw-Down Case Back
 Weight: 85 g