Rolex 40mm 18K Half Yellow Gold Blue Dial — USD 15,400

The Rolex Yacht-Master reference 16623 represents the 40mm Yellow Rolesor variant within the Yacht-Master collection. This reference features the two-tone construction that defines the Yellow Rolesor series, combining 18k yellow gold with stainless steel in a 40mm case format. The 40mm case utilizes both 18k yellow gold and stainless steel construction, fitted with a sapphire crystal and offering 100m water resistance. The white dial is complemented by a bidirectional rotatable bezel displaying blue numerals. Power comes from the automatic caliber 3135 movement, providing 48 hours of power reserve. The watch is completed with an Oyster bracelet. Produced from 1992 to 2012, the 16623 appeals to collectors seeking the Yacht-Master's nautical-inspired design in precious metal combination. The twenty-year production run and Yellow Rolesor construction position this reference as an accessible entry point into Rolex's two-tone sports watch category, offering the visual impact of gold integration within the established 40mm Yacht-Master format.