Stephen Schwarzman oversees one of the world's biggest investment firms, yet he is often spotted wearing colourful Swatch watches that cost about $140 instead of luxury timepieces worth tens of thousands of dollars. Now the Blackstone chairman has added another high-profile possession to his portfolio, buying a custom-built superyacht estimated to cost around $400 million.

Stephen Schwarzman oversees one of the world's biggest investment firms, yet he is often spotted wearing colourful Swatch watches that cost about $140 instead of luxury timepieces…

Stephen Schwarzman received his custom superyacht, Destiny, valued at US$400 million. This massive vessel, built by Feadship, measures over 100 metres in length. Destiny…