Haofa Skeleton Tourbillon Watches Carbon Fiber Bezel 1903-G

Product Description

Inner length: 220mm
Strap width: 20mm-25.5mm 
Case diameter: 51.5mmx44mm
Movement diameter: 17.2mmx5.9mm
Case thickness: 16.5mm
Inner ring of long strap: 160mm~220mm
Short strap inner ring: 145mm~200mm
Movement: H25.01r manual tourbillon
Vibration frequency: 21600 (times/hour)
Drive: single-spring drive
Power reserve: 50 (hours)
Winding method: manual winding
Gem bearing: 21
Case material: carbon fiber material
Strap material: rubber
Waterproof depth: 30 meters life waterproof
Mirror back cover: Sapphire