Rolex Steel and Yellow Gold Yacht-Master 40 Watch - Blue Dial - 16623 bThe deep blue dial of this yellow gold Yacht Master creates a striking maritime aesthetic that separates the 16623 from its more common white dial siblings. At 40mm, this yellow gold case commands attention with its substantial presence while maintaining the refined proportions that define Rolex's nautical flagship. The reference 16623 b represents the final evolution of the two tone Yacht Master before the collection's transition to newer movements,

Unworn Condition Status — Complete factory finish preservation including sharp case edges

Platinum Unidirectional Bezel — Raised numerals and graduations in precious metal provide both luxury appeal and functional 60-minute timing capability for maritime activities

visible through the sapphire crystal exhibition caseback

Integrated Rose Gold Bracelet — Seamlessly flowing five-link bracelet construction with concealed fold-over clasp

Dual-Time GMT Capability — Off-center 24-hour disc displays reference time while main hands track local time across all time zones

This reference represents the pinnacle of Patek Philippe's grand complication expertise

Introduced as the refined counterpart to the men's iconic sports watch

Grey Sunburst Dial — Graduated grey dial with applied gold hour markers and white gold hands

Diameter: 42 mm

Platinum construction meets the deepest black dial in the Sea-Dweller 43's most luxurious expression

Caliber 9001 Movement — In-house automatic mechanism with 72-hour power reserve and Rolex's Parachrom hairspring technology

with each dial displaying unique patterns inherent to the organic material