Ball Engineer Hydrocarbon NEDU DC3026A-SC-BE

– Patented Helium System
– Underwater operable chronograph with accumulated measurement up to 12 hours
– 21 micro gas tubes on hour, minute, chronograph second hands, dial and buttons for night reading capability
– Shock resistance: 7,500Gs
– Antimagnetic: 4,800A/m
– Top ceramic luminous unidirectional rotating bezel
– 3.7mm anti-reflective sapphire crystal
– Patented crown protection system
– Stainless steel and titanium bracelet with patented folding buckle & extension system