Ball Trainmaster Automatic Watch, Movement: Automatic, Caliber: Ball RR1102, Jewels: 25 jewels, Power Reserve: 38 Hours, Frequency: 28800 A/h, Case Material: Stainless steel, Crystal: Anti-reflective Sapphire, Dial color: Silver, Thickness: 12,5 mm., Diameter: 41 mm, Crown: Screw-down crown, Lume components: Hands and indices, Lume Material: 15 H3 Gas tubes, Case Back Crystal: Sapphire Glass, Water resistant depth: 5 atm, Shock resistance: 5000 Gs, Bracelet: Stainless steel, Band width: 21 mm., Clasp type: Foldover clasp, Country of Manufacture: Switzerland, Warranty: 2 years, COSC: COSC, Calendar type: Day and date