From the NEW Aquatimer Collection - This watch features: A revolutionary new Split- Minute feture controlled by the lever/switch on the left side of the watch, Date window at the 6 o'clock position, Stop watch functions & a Uni-Directional Turning Bezel located beneath the crystal, the bezel is operated by the lower crown located at the 4 o'clock position (this crown also doubles as the Chronograph Reset button). Yellow Luminous Hands & Hour Markers. Power Reserve of 44 hours. IWC Patented Bracelet can be easily sized - no special tool or screwdrivers necessary.