Tourbillon Movement Manual Mechanical Watch 7021

Movement: Original tourbillon skeleton movement

Waterproof: 50M

Watch mirror: stainless steel

Strap material: first layer cowhide

Dial features: double-sided hollow design

Case material: stainless steel

Dial thickness: 10mm

Dial diameter: 42.5mm

Frequency: 28800Hz/Hr

Energy storage: 40 hours

Travel time error: ±10 seconds/day

Warranty: 1 years