MOVEMENT: Imported Japanese Y121F4 quartz analog and led digital dual movement, accurate and long-term running

STRAP MATERIAL: Adjustable stainless steel strap band, fold over clasp with safety. Stainless steel bracelets are extremely durable and can last the lifetime of a watch with proper care

FEATURE: Stainless steel back cover, 46mm zinc alloy oversized case, hardened mineral glass crystal luminous hands oversized dial with chronograph countdown dual time alarm SIG function, 12 hour or 24 hour display, and show the specific hour, minute, second, day, week

WATERPROOF: Water resistant over 30M(100 feet), suitable for snorkeling, as well as swimming, but not diving. Note: Please do not press any buttons in the water or wear this watch for longtime underwater activities

GUARANTEE: Any product issues we guarantee 100% refund or replacement, providing you a wonderful shopping experience. please contact us if you have any question