, Professional clock, using the upper and lower small dials with the big three needle design, super professional timekeeping at the same time full of sports sense, suitable for both business and sports, with multiple attributes, easy to switch.

Movement: Automatic mechanical chronograph

Movement model: CAL.021.10

Drive mode: single-spring drive

Power reserve: 48 (hours)

Vibration frequency: 21600 (times/hour)

Winding method: automatic winding

Case Diameter: 41 mm

Case Thickness: 13.6 mm

Strap width: 20 mm

Case Material: 316 L stainless steel

Strap material: Italian calfskin

Waterproof depth: 50 meters life waterproof

Mirror: Anti-glare double-domed artificial sapphire

Caseback: Artificial sapphire glass

Crown: straight in