NIGHTHAWK TOURBILLON | ROSE GOLDSpecification 3D Co axial Flying Tourbillon: AST 01 Jewels: 19 jewels Frequency: 21600 vph Feature: 240 Power Reserve Indicator (42 hrs power reserve) Winding: Manual Winding Case Diameter: 44. 5 mm Thickness: 13. 7 mm Material: 316L Stainless Steel Crown: Push In With Double O ring Plating: Grade AA IP Rose Gold (1. 0 micron PVD) Coating: Multi Layer Anti Fingerprint Coating Lens: Material: Sapphire Crystal Coating: Multi Layer Anti Reflection

Plating: Grade AA IP-Wave (1

Feature: 80 hrs power

Max Length Of The Watch Strap: 228 mm

Coating: Multi-Layer Anti-Reflection Coating

Movement: Automatic Skeleton

(42 hrs power reserve)

Thickness: 13

Feature: 80 hrs power reserve

Max Length Of The Watch Strap (Including the watch case): 220 mm

3D Co-axial Flying Tourbillon: AST-01

Frequency: 21600 vph

3D Co-axial Flying Tourbillon: AST-01