Ball Trainmaster Roman Automatic NM1058D-S4J-WH White Dial 15 Gas Tubes 41mm Imported Movement:Automatic caliber BALL RR1102/Shock Resistant up to 5000 Gs, Water Resistant to 50 M Functions: Hour, Minutes, Seconds, Date and 15 micro gas tubes on dial and hands for night readability Functions:Shock resistant to 7,500Gs;Anti-magnetic to 4,800A/m;Water resistant to 300m/1,000ft;Hours, minutes, sweep seconds and date Case:Stainless Steel;Crystal: Anti-Reflective Sapphire;Case Back: Sapphire crystal;Crown: Screwed in Band:Stainless Steel with Folding Buckle