Movement rotor-lock with on/off switch Amortisér Self-powered micro gas lights on hands and dial that glow for up to 25 years Movement can withstand 5.2 meters free fall without damage 7,500Gs shock resistance Patented crown protection system -40 degree Celsius temperature endurance 4,800A/m Anti-magnetic 100m water resistance Mechanical lock resists 1,400 Newtons of force BALL Watch USA (see web site for complete list of Authorized BALL dealers) www.ballwatch.com Tel:727-896-4278 Fashion Show Mall | 3200 S. Las Vegas Blvd. #1165 | Las Vegas, NV 89109 702-737-7118 | www.bergerandson.com Berger and Son Jewelershttp://www.ballwatch.com http://www.ballwatch.com http://www.bergerandson.com http://www.bergerandson.com