Equities
Equities pay dividends, compound, and are highly liquid. Watches pay nothing, depreciate through wear, and have meaningful transaction costs (10–25% spread between dealer bid and ask). The S&P 500 has returned roughly 10% annualised over the last century; the broad watch market - even at its peak - has not approached that long-term rate.
Gold
Gold and watches share one important trait: both are physical, portable stores of value with no counterparty risk. Gold is more liquid and has a transparent global price; watches require expert authentication and have brand-specific demand cycles. A serious collector typically holds both, for different reasons.
Real estate
Real estate produces yield (rent) and benefits from leverage. Watches do neither. Where watches outperform real estate is portability and lack of carrying cost - no property tax, no maintenance, no tenant risk. They are useful as a small allocation within a diversified portfolio, not as a substitute for productive holdings.
What watches actually offer
Cultural durability (Patek and Rolex have held collector status for over a century), low correlation with public markets, and intrinsic enjoyment of ownership. Treat them as the asset class they are: a long-term, illiquid, finishing-grade collectible.