movement:Seiko quartz chronograph movement GTIM dual time function Dial diameter: 56mm Thickness: 14mm Case material: alloy Strap material: PU Mirror material: Hardlex Crystal Waterproof: no Package:1pcs Gift Box: 1 pcs Precise quartz movement makes the watch a precise time keeper. Solid durable high quality alloy case and buckle. Leather strap for flexible and convenient,adjustable, durable and comfortable. Mineral glass watch mirror for abrasion & scratch resistant. large numbers & luminous hands, convenient to read time. Two movement only, the other 5 dail plate only for decorection, no function. Advanced manufacturing technology. Modern sporty design. Big dial watch for big men. With a gift box, the big watch is a best gift choice for your father, husband, and boyfriend. Notes: Please avoid the use in extreme temperature like super hot or cold weather. DO NOT wear this watch underwater. DO NOT press any button underwater. Clean the strap by a soft cloth on regular bases is highly recommended.