This 18kt Yellow 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 Measures Approximately 1 Inch x 1 Inch , Features Mother Of Pearl And Diamonds. The Chain Is 24 Inches In Length And Adjustable To 18 Inches.