The Seiko SSB397P Chronograph Men’s Watch with Movement Caliber Number 8T63 is a high-precision quartz movement that combines reliability with impressive functionality. The battery life of approximately 3 years provides long-lasting performance. The date display adds practicality to the timepiece. Housed in a durable stainless-steel case with diameter of 41.0mm, this watch strikes the perfect balance between style and comfort. The Hardlex crystal offers exceptional protection against scratches, while the LumiBrite coating on the hands and indexes ensures visibility in low-light conditions. With its impressive features and attention to detail, the Seiko SSB397P Chronograph Men’s Watch is a reliable and stylish choice for watch enthusiasts seeking both precision and functionality. - Caliber No. 8T63 - Chronograph - Quartz Movement – Powered by a Battery - Accuracy /-15 seconds a month at normal temperature range (5°C and 60°C) - Approx 3 Years Battery Life - 42.2mm Case Size - Stainless Steel Case and Bracelet - Hardlex Glass - Pull Out Crown - Date Display - Stopwatch Measures 60 Minutes In 1/5th Of A Second Increments with Split Time Capability - Tachymeter - 100 Meters Water Resistant