2Jewellery Men's Watch Luxury, 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 top layer cow leather 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: 42mm
Case thickness: 13mm
Strap width: 22mm
Case material: 316 stainless steel
Strap material: top layer cow leather strap
Waterproof depth: 30M life waterproof
Mirror: artificial sapphire
Caseback: Sapphire glass
Crown: straight in