The secondary watch market is one of the most sophisticated resale markets anywhere. Price discovery is real, certain references trade well above retail, dealers make markets, and there’s a whole layer of authentication and indexing services on top.
Aftermarket is the trade’s own word for it, and it carries more precision than “used” or “pre-owned”. It implies the whole infrastructure: dealers, parts, servicing, valuation, provenance.
The name fits a marketplace, a dealer, a price index, an authentication service, a parts supplier, or a publication covering values. The parts and servicing angle is genuinely underserved, since independent watchmakers struggle for components and the brands prefer it that way.
Two words, plural, no hyphen, .com, aimed at buyers who research extensively before spending four or five figures. High consideration purchases are exactly where a category-name domain pays for itself.
The name is listed. Enquiries welcome.