Due to manual measurement, please note that there may be a slight (1-3 cm) error. Dial material: alloy strap material: PU buckle shape: pin buckle weight: 28g Dial size: diameter 27mm, thickness about 9mm, strap width: 14mm, maximum wearable wrist 18cm movement: Shi Ying movement price does not include packaging box. This product has no waterproof structure. When washing your hands or sweating heavily, please take off your watch to avoid water. For customers who require high details, please consult customer service!