The Rolex Sea-Dweller reference 16600T is a 40mm timepiece in Steel presented in used condition, with a Black Standard dial, Black Standard bezel, Oyster bracelet, dated circa 2005. Every watch is inspected and authenticated by our specialists before it is offered, so you can buy with confidence.
Two sizes frame the buying conversation. The 40mm Sea-Dweller 4000, anchored by ref. 16600 made from 1988 to 2008, remains a benchmark for balanced proportions and deep secondary-market support. The current 43mm generation brings ref. 126600 in steel and ref. 126603 in Rolesor, suiting buyers who want modern bracelet comfort. Both rate water resistance to 1,220m. Unpolished cases, a working Glidelock clasp, and full box-and-papers drive value, so verify each. Read the full Sea-Dweller buying guide ›
Recognition is near universal for Rolex, and that reputation rests on real engineering: waterproofing, self-winding movements, and date displays developed at the Geneva manufacture Hans Wilsdorf founded in 1905. The brand sets the benchmark for mechanical watches and now reads as a financial asset class too. We check the Oyster case and Perpetual movement closely, because steel sports references like the Daytona regularly clear retail prices. Browse all Rolex ›
Rolex · 16600T
A 40mm Steel Rolex Sea-Dweller with a Black Standard dial, Black Standard bezel, circa 2005 — authenticated and ready to wear.
