"Waterproof: Yes. Waterproof performance: 30M Core type: quartz Core brand: MIYOTA West Rail City, Japan Origin of machine core: Japan Core Model: Imported 2036 Thickness: 13mm Diameter of dial: 40mm Base Type: General Mirror Material: Coated Glass Button Style: Button Table button material: stainless alloy Watchband Material: Refined Steel Table shape: circular"