Seiko SSB451 Essentials Chronograph WatchPart of the Essentials collection, this quartz chronograph watch features a sapphire crystal and 100 m water resistance. It is paired with a silver dial.Additional technical details include 24-hour hand, small seconds and date display, water resistance to 100 meters / 10 bar, and a power reserve of battery life approximately 3 years.Specifications Quartz caliber 8T63 with approximately three-year battery life 60-minute chronograph measured in 1/5-second increments 24-hour hand, small seconds and date display Sapphire crystal and 100 m water resistance Collection: Essentials Movement: Quartz chronograph, caliber 8T63 Dial: Silver Case diameter: 40.0 mm Case thickness: 11.5 mm Crystal: Sapphire Band: Stainless steel bracelet Water resistance: 100 meters / 10 bar Power reserve / battery: Battery life approximately 3 years Collection: Essentials Dial: Silver Included with your purchase: 3-year SEIKO USA warranty card included.