42.5mm stainless steel case, 15.4mm thick, solid back, stainless steel bezel, scratch resistant sapphire crystal, ruthenium dial with luminous hands & arabic numeral hour markers, automatic movement with a flyback chronograph function, approximately 48 hours of power reserve, stainless steel brushed & polished bracelet, hidden folding clasp buckle. Water resistant to 100 m (330ft).