• No Battery Required. • Designed For Unisex. • 3ATM Water-resistance. • Wipe the dust off gently with a clean, dry microfiber cloth. • If need to set time, simply pull out the crown, and rotate to set a new time. • Folding Clasp Buckle: Classic folding clasp buckle style, easy to adjust and fasten. • Premium Stainless Steel Case Straps: High density 304 stainless steel case, electroplated process to get great glossiness and various colors. No allergy, provides better touch feeling, suitable for long-time wearing. • Automatic Mechanical Movement: High quality automatic mechanical movement, easily rotates the collision-avoidance lock-down crown, then continuously run without battery supported, guarantee the accurate timing. • Classic Analogues make your every second count! Running by high quality automatic mechanical movement, without battery supported. High-density stainless steel body, accurate timing, suitable for business and casual occasions.