Seiko 1/5-Second Chronograph Quartz Watch SSB427P1 Men's Silver with Navy Dial

[Size and Weight] Case size (height x width x thickness): 46.5 x 41.5 x 12.1 (approx. mm), Strap: width approx. 18 mm (buckle side) ~ 22 mm (case side), lug width approx. 22 mm, wrist circumference (maximum) 200 mm, weight: approx. 133.0 g [Materials] Case: Stainless steel, Band: Stainless steel, Crystal: Hardlex crystal [Movement] cal. 8T63 Quartz, 1/5 second chronograph (60 minute counter), with 24-hour hand. [Waterproof Performance] Enhanced water resistance for daily use (10 ATM water resistance) [Accessories] Japanese instruction manual (copy), presentation box (A SEIKO presentation box is included, but the design may vary depending on the shipment.) [Main Specifications] ● Caliber No.: 8T63 ● Movement: Quartz ● 1/5 second chronograph (60 minute counter) ● 24-hour hand ● Accuracy: ±15 seconds per month ● Case material: Stainless steel ● Glass material: Hardlex crystal ● Band material: Stainless steel ● Water resistance: Enhanced water resistance for daily use (10 ATM) ● Other features: Screw-down case back (Due to manufacturing reasons, the orientation of the case back may vary from watch to watch) ● Other functions: Calendar (date) function