316L stainless steel case with SS metal strap. rotated bezel, 120 clicks. professional helium valve at 9H, in order to be able to lead during external pressure reduction (e.g. emerging) the accumulating helium fast enough from the watch. advanced dial, silver/black/ blue back ground, applied index/markers with super luminous, 24 hour (GMT) markings. Minute markers around the outer rim. advanced diamond-cut hands with BGW9 super luminous, blue light. dial type: analog. date display at the 3 o'clock position. japan movement automatic, seiko movt NH35, 24 jewels; scratch resistant sapphire crystal. screw/pull / push crown. solid stainless steel case back, screw down with notches. case diameter: 41.50 mm; brushed finishing. case thickness: mm. Round case shape. band width: 22 mm. high quality safety buckle/ clasp water resistant at 300 meters /30atm/ 984 feet. functions: date, hour, minute, second. diver watch style.