This 18kt White Gold Heart Shaped Pendant, Features A Tiny Hidden Mechanical Marvel That Magically Brings To Life The Heartbeat In A Sparkling Celebration Of Love. Much Like A Music Box Or Watch, Each Paul Forrest Pendant Is Wound And Brought To Life By The Key To Your Heart. The Dial On The Pendant Is Mother Of Pearl And Diamonds Measuring Approximately 1 Inch x 1 Inch. The Chain Is 24 Inches In Length And Adjustable To 18 Inches.