Hublot Spirit of Big Bang Titanium Blue Watch - 42 mm - Sapphire Dial - Blue Rubber and Leather Strap-641.NX.7170.LR aviator adding practicality to its luxurious

adding practicality to its luxurious appeal

the 4131 manufacture Rolex perpetual movement—a mechanical chronograph powered by self-winding technology—ensures precise timekeeping

engraved back

dark gray alligator leather strap

convex sapphire crystal with antireflective coating on both sides

Hublot Spirit of Big Bang Titanium Blue Watch - 42 mm - Sapphire Dial - Blue Rubber and Leather Strap-641.NX.7170.LR aviator adding practicality to its luxurious42 mm satin finished and polished titanium case, satin finished, polished and microblasted titanium bezel with 6 h shaped titanium screws, sapphire crystal with anti reflective treatment, sapphire dial, HUB4700 self winding skeleton chronograph movement, approximately 50 hours of power reserve, blue rubber and alligator leather strap, titanium and black plated titanium deployant buckle. Water resistant to 100m (10 ATM).