SRPC53J double-calendar mechanical watchSpecial features: Decoration, night light, calendar, week display Display type: pointer Applicable to: male Style: Sports Waterproof: Yes Waterproof performance: 100m Type of movement: Machinery Origin of movement: Japan Movement model: 4R36 Movement brand: 4R36 Dial diameter: 43. 5mm Thickness: 13 mm Crown type: Spiral crown Table bottom type: through bottom Mirror material: coated glass Watch buckle style: single fold buckle Watch buckle material;