, Modernist mechanical art, hand-carved in the air, pleasing relief craftsmanship, flying rudder flywheel, multi-function air-flying rudder flywheel, elegant model, 316L stainless steel case, powerful luminous hands, carved hollow movement, sapphire mirror, Folding buckle first layer cowhide strap, full of texture, comfortable and breathable.
Movement: flying rudder flywheel
Movement model: CAL.3H31
Drive: single-spring drive
Power reserve: 42 (hours)
Vibration frequency: 21600 (times/hour)
Winding method: manual winding
Jewel bearing: 19
Case Diameter: 42 mm
Case thickness: 13 mm
Strap width: 22 mm
Case Material: 316 stainless steel
Strap Material: top layer cow leather strap
Waterproof depth: 30 M life waterproof
Mirror: artificial sapphire
Caseback: Sapphire glass
Crown: straight in