This casio men's watch embodies the edifice spirit of synergy between timepiece engineering and the world of high-performance sports cars. 39mm stainless steel case with see-through case back; sapphire crystal black three-hand dial with state-of-the-art forged carbon automatic with manual winding mechanical movement; 40-hour power reserve stainless steel bracelet; push-button fold-over clasp water-resistant to 100 meters