I opened it after purchase, but it didn't match my image, so I kept it stored. Seiko Selection analog quartz chronograph model. It features a high-quality two-layer dial, and the sub-dials at the bottom create a sporty atmosphere. Recommended for customers of all ages. Case diameter: 39.8 mm Band width: 20 mm Case thickness: 11.66 mm Band length: 195 mm Item weight: 0.23 kg Display type: Analog Movement: Quartz Power source: Battery-powered Clasp type: Buckle Water resistance: 100 meters for daily life Clasp: One-push three-fold clasp Water resistance level: Waterproof Style: Style name: Three-eye chronograph Case shape: Round Band color: Blue Dial color: Blue Brand name: Seiko Target audience: Adults Model number: Quartz Chronograph (Three-eye) Model number: SBTR019 Manufacturer: SEIKO WATCH Band material: Leather (cowhide) Case material: Stainless steel Crystal material: Hardlex Size: Case diameter: 39.8 mm Band width: 20 mm Case thickness: 11.66 mm Band length: 195 mm