Luminox 1829 Field Time and Date Men's Watch, Orange Dial Case Material-Steel or PVD Plated Steel case, Case Diameter-42 mm Bezel-Fixed steel bezel, Case Back-Steel or PVD plated steel, screwed down case back, Crystal-Antireflective coated sapphire glass crystal Crown-Stainless steel or black PVD plated steel screw down crown, Water Resistance-200 meters Movement-Ronda 517 day-date movement, Battery Life-48 months Strap-23 mm black or dark brown leather strap, Bracelet-23 mm solid steel bracelet