Tourbillon Men Movement Sapphire Transparent Case New 7058A

Movement: Original tourbillon skeleton movement 
Waterproof : 50M 
Watch mirror: synthetic sapphire 
Dial features: double-sided hollow design 
Case material: crystal 
Dial thickness: 11mm 
Dial diameter: 40mm 
Frequency: 21600Hz/Hr 
Energy storage: 50 hours 
Travel time error: ±10 seconds/day 
Warranty: 1 years