Ulysse Nardin UN-690

World's first automatic movement with integrated music box complication. Plays the first 16 seconds of Frank Sinatra's 'Strangers in the Night' at the top of every hour and on demand via button press. Features silicon balance spring and escapement. Innovative function selection via button in crown eliminates need to pull crown into multiple positions - press a button to switch between time setting, date setting, and winding. Date can be set forward and backward. Limited to 99 pieces in pink gold.