2Jewellery Carbon Fiber Watch, Tourbillon hollow mechanism, NTPT carbon fiber, titanium magnesium alloy material, 26 rubies.
Inner Length: 220mm
Strap Width: 20mm-25.5mm
Case Diameter: 51.5mmx44mm
Movement Diameter: 33mmx29mm
Case Thickness: 16.5mm
Long Watch Strap Inner Ring: 160mm-220mm (default)
Short Strap Inner Ring: 145mm-200mm (optional/consult customer service)
Whole Watch weight: 116g
Movement: E.3H41
Vibration Frequency: 28800 (times)
Drive: Double mainspring drive
Case Material: carbon fiber material
Power Reserve: 72 (hours)
Strap Material: Rubber
Winding Method: manual winding
Waterproof Depth: 30 meters life waterproof
Back Cover: Sapphire
Gem Bearings: 26