Hublot Calibre HUB2915 engine Swiss Quartz movement, Brushed and Polished case with Blue Titanium strap, Deployment clasp with Push Button, Fixed bezel, Satin-finished Blue Sunray dial with Polished Silver Tone Hands and Stick Hour Markers including the Date at 3 o'clock, Scratch Resistant Sapphire crystal, Unique case shape measuring 29mm in diameter, Solid case back, 50 Meters or 165 Feet water resistant, Women's watch, Comes also known as model number 591NX7170RX.