What Makes Steel Watches Worth Their Weight in Gold?

The most expensive watch ever sold was not cased in gold or platinum and was not set with flawless diamonds or gems of any kind. The $31m USD watch in question is a one-off Patek Philippe Ref. 6300A-010 Grandmaster Chime, the Swiss brand's dual-dialed, 20-complication flagship, which sold at the biennial charity auction, Only Watch, in 2019.The "A" in the reference number stands for Acier and signifies that the watch in question is made from stainless steel, a metal used in everything from const...