This casio men's watch embodies the edifice spirit of synergy between timepiece engineering and the world of high-performance cars. White electroformed dial; date display 39. 0mm stainless steel case with see-through case back; sapphire crystal automatic with manual winding mechanical movement; 40-hour power reserve stainless steel bracelet; push-button fold-over clasp water-resistant to 100 meters we are an authorized casio dealer