10. Brequet Pocket Watch 1970 BA/12 – $734,000
At the top of the list comes a timepiece that exudes timeless (no pun intended) sophistication and the kind of good taste you simply cannot buy. Manufactured from 18-karat gold and one of the most remarkable examples of workmanship you are ever likely to come across, this absolutely stunning pocket watch is exactly the kind of asset that is only ever going to grow in value.
