Movement:8215 modification
Number of Jewels��21
Frequency��21600 vph(4Hz)
Power Reservation��45 Hours
Waterproof depth: 5 ATM(50m)
Functional Characteristics: Tourbillon, Day & Night
Mirror material:Sapphire Crystal
Strap material: Italian cowhide
Buckle style:Pin buckle
Strap width: 20mm
Strap length: 210mm
Case material: 316L stainless steel
Case thickness:12mm
Case diameter: 40mm