Brand: SKMEI Movement: Electronic Function: Luminous, Alarm, 50 meters life waterproof, timekeeping, timing, Week/date display, 12/24 Hour system NOTE:Can accept life waterproof,such as swimming,washing hands,etc.but can not operate it in underwater activities, please don't let it close to hot water Material: High-quality PC plastic case and PU strap, thickened and hard acrylic resin mirror, stainless steel bottom cover, stainless steel clasp Color: black Size: Net weight: 60g, watch length: 270mm, dial diameter: 50mm, dial thickness: 11mm