Replica Rolex Sea-Dweller 126603 Black Ceramic

The 126603 brought the Sea-Dweller line into Rolesor territory for the first time, combining Oystersteel with 18ct yellow gold on the bezel, crown, crown guards and bracelet center links. It is the only two-tone Sea-Dweller Rolex has produced in the modern era — a proposition that merges dive-tool DNA with dressy precious-metal finishing for wearers who want a professional diver they can take straight from the water to a business dinner.

Key Specifications

The 126603 Up Close: Case, Dial and Bracelet

Yellow gold crowns the winding crown, crown guards and ceramic bezel insert, creating a warm contrast against the brushed Oystersteel flanks. The 43mm case shares its proportions with the steel-only 126600 but feels distinctly more luxurious thanks to the two-tone detailing that catches light on polished gold surfaces.

A black dial with gold-outlined hour markers and hands enhances legibility while reinforcing the precious-metal theme. The date at three o’clock sits under a Cyclops magnifier, and the helium valve at nine o’clock remains fully functional.

See the all-steel alternative alongside other depth-rated references in the Deepsea collection.

Movement Options: Swiss vs Japanese

Two movement tiers power this two-tone Sea-Dweller:

• Swiss Automatic — 28,800 vph with approximately 70-hour power reserve. Chronergy escapement and paramagnetic hairspring deliver accuracy consistent with Caliber 3235 specifications.
• Japanese Automatic (Miyota) — 21,600 vph with around 42-hour reserve. Dependable daily performance with straightforward maintenance and global parts availability.

Both feature quickset date and hacking seconds for convenient time adjustment.

Shipping, Warranty and Returns

Every order ships with discreet packaging and full tracking. Delivery times vary by destination — see our shipping policy for detailed timeframes and methods. This watch is covered by our standard movement warranty. If your purchase does not meet expectations, review our return and exchange policy for available options.