Auction houses play a central role in the high end of the watch market, providing a transparent, competitive forum for the sale of rare, vintage, and exceptional timepieces. The major watch auction houses — Phillips, Christie's, Sotheby's, and Antiquorum — hold several sales per year, typically timed around Geneva Watch Days in May and November, with additional sales in New York, Hong Kong, and occasionally London. Each sale typically presents between 200 and 500 lots, ranging from five-figure entry points to eight-figure landmark pieces.

The auction process involves a consignor (seller) placing a piece with the auction house, which authenticates it, estimates its value based on comparable sales, and presents it in a printed and digital catalogue. At the sale itself, registered bidders — present in the room, on the phone, or online — compete for each lot. The final price is the hammer price plus a buyer's premium (typically 15–25% of the hammer price) paid to the auction house. The seller pays a separate commission, meaning the total cost to the buyer and the net received by the seller differ significantly from the headline hammer price.

Auction results are one of the most reliable sources of market pricing data for rare watches, as each transaction is public and recorded. Platforms like the auction house databases, Chrono24's auction tracker, and WatchPro's results service allow collectors to research comparable sales stretching back decades. The most significant watch auction result to date is the Paul Newman Rolex Daytona, sold by Phillips in 2017 for $17.75 million — a figure that defined a cultural moment for watch collecting as well as a market one.