HAOFA 1089
Movement: Flying Tourbillon Movement
model: CAL.3H35
Drive: single-spring drive
Power reserve: 42 hours
Vibration frequency: 28800 (times/hour)
Winding method: manual winding
Case material: 316L stainless steel
Gem bearing: 19
Strap material: Italian calfskin
Case diameter: 40-42mm
Waterproof depth: 30 meters life waterproof
Case thickness: 13.3mm
Mirror: anti-glare double arch synthetic sapphire
Strap width: 20mm
Back cover: synthetic sapphire