The Seiko SSB429P Essential Chronograph Watch combines sleek design with precise functionality. Featuring Caliber No. 8T63 quartz movement powered by a reliable battery, it ensures accurate timekeeping with an accuracy of +/-15 seconds per month. With approximately 3 years of battery life and a SR936SW battery, it offers long-lasting performance. Its 41.5mm stainless steel case and bracelet provide durability and a stylish look, while the hardlex glass protects against scratches. Equipped with a pull-out crown for easy adjustment, it also features a stopwatch that measures 60 minutes in 1/5th of a second increments with split time capability. With a water resistance rating of 100 meters, it's suitable for everyday wear and various activities. - Caliber No. 8T63 - Quartz Movement – Powered by Battery - Chronograph - Accuracy +/-15 seconds a month at normal temperature range (5°C and 60°C) - Approx 3 Years Battery Life - Battery SR936SW - 41.5mm Case Size - Stainless Steel Case and Bracelet - Hardlex Glass - Pull Out Crown - Stopwatch Measures 60 Minutes In 1/5th Of A Second Increments with Split Time Capability - 100 Meters Water Resistant