CITIZEN PROMASTER BN0231-52L DIVE ORCA KILLER WHALES SILHOUETTE GENT'S WATCH SPECIFICATIONS : Calibre No. : E168 Maximum run time from full charge : Approximately 6 months Movement : Eco-Drive Without Radio Reception Function Strap : Stainless Steel Water Resistant to 200m Case Thickness : 14.6mm Case Size : 46mm Case : Stainless Steel Crystal Glass Date Display Insufficient Charge Warning Function Overcharge Prevention Function An embossed Killer Whales silhouette on the case back