Material
Polished Blue Sapphire Crystal
Bezel
Polished Blue Sapphire Crystal with 6 H-shaped Titanium Screws
Crystal
Sapphire with Anti-reflective Treatment
Water Resistance
50m or 5 ATM
Kaliber
HUB4700 Self-winding Skeleton Chronograph Movement
Strap
Blue Transparent Structured Lined Rubber Strap
Clasp
Black-plated Titanium Deployant Buckle Clasp