Specifications: Display: Analog Movement: Automatic Movement Type: NH70, Seiko, Japan Functions: Minute, Second, Hour Case Material: ECO-Ceramic Case width: 44 mm Case thickness: 14 mm Case shape: Square Water resistance: 5 ATM Case Color: Black Surface: Matted, Polished Glass: hardened, Mineral glass Bezel: Fixed Case Bottom: Stainless steel bottom, screwed Dial Color: Black Lighting: Illum. indexes, Illum. hands Watchband Material: Silicon Armband Style: Silicone strap Clasp: Buckle clasp Lug width: 30 mm Max. wrist circumference: 210 mm Warranty: 1 Year seller's warranty