Stuhrling Original Men&#39;s 181A.332B51 Lifestyle &#39;Nemo&#39; Skeleton Automatic Watch Manual self-winding mechanical movement Skeleton master calendar with day, date, month, and 24 hour time indication Silver-tone semi-skeleton hour and minute hands with (No Suggestions); gray tipped, red sweep second hand 20 jewels 21,600 v.p.h. Octagonal-shaped brushed satin finish stainless steel bezel with 8 sterling S screw heads Tinted Krysterna crystals -- Synthetic sapphire (Front and Back) Water resistant to 165 feet (50 M): suitable for swimming and showering