4. Jaeger-LeCoultre Joaillerie 101 Manchette – $26 million
This watch has a white gold bracelet with a slim, hand-wound, sapphire glass-covered clock and 577 diamonds inlaid in it. It is estimated to be worth around 26 million dollars. In 2012, Jaeger-LeCoultre presented Queen Elizabeth with this watch as a homage to the 60th anniversary of her coronation (according to this Luxuo article, the original watch was given to the Queen by the French President in 1952). Up until 2010, it held the world record for the tiniest movement.
The Jaeger-LeCoultre Joaillerie 101 Manchette, which can be customized with up to 576 diamonds and a sapphire dial, was given to Queen Elizabeth II to commemorate her 60th year in office.