Rolex CollectionRolex Sea-DwellerSea-Dweller

Reference

126603

Model Case

Oyster, 43 mm, Oystersteel and yellow gold

Oyster Architecture

Monobloc middle case, screw-down case back and winding crown

Diameter

43 mm

Material

Yellow Rolesor - combination of Oystersteel and yellow gold

Bezel

Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in ceramic, numerals and graduations coated in gold

Winding Crown

Screw-down, Triplock triple waterproofness system

Crystal

Scratch-resistant sapphire, Cyclops lens over the date

Water Resistance

Waterproof to 1,220 metres / 4,000 feet, helium escape valve

Movement

Perpetual, mechanical, self-winding

Calibre

3235, Manufacture Rolex

Precision

-2/+2 sec/day, after casing

Oscillator

Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

Escapement

Chronergy with optimized energy efficiency

Winding

Bidirectional self-winding via Perpetual rotor

Power Reserve

Approximately 70 hours

Bracelet

Oyster, three-piece solid links

Bracelet Material

Yellow Rolesor - combination of Oystersteel and yellow gold

Clasp

Folding Oysterlock safety clasp with Rolex Glidelock extension system

Dial

Intense black

Details

Highly legible Chromalight display with long-lasting blue luminescence

Certification

Superlative Chronometer (COSC + Rolex certification after casing)

Rolex Sea-Dweller | 126603 | Sea-Dweller | Dark dial | Ceramic Bezel and Luminescent Display | Black dial | Yellow Rolesor | M126603-0001 | Men Watch | Rolex Official Retailer - Siam Swiss Rolex Sea-Dweller | 126603 | Sea-Dweller | Dark dial | Ceramic Bezel and Luminescent Display | Black dial | Yellow Rolesor | M126603-0001 | Men Watch | Rolex Official Retailer - Siam Swiss
Rolex Sea-Dweller | 126603 | Sea-Dweller | Dark dial | Ceramic Bezel and Luminescent Display | Black dial | Yellow Rolesor | M126603-0001 | Men Watch | Rolex Official Retailer - Siam Swiss

Ceramic Bezel and Luminescent Display

The 60-minute graduated, unidirectional rotatable bezel of the Sea-Dweller enables divers to precisely and safely monitor their dive and decompression times. It is equipped with a patented black Cerachrom bezel insert manufactured by Rolex in a virtually scratchproof ceramic whose colour is unaffected by ultraviolet rays. The graduation is coated via PVD (Physical Vapour Deposition) with a thin layer of gold. The sleek black dial features large Chromalight hour markers and hands, filled with luminescent material that emits a long-lasting blue glow for excellent legibility in dark conditions.

Rolex Sea-Dweller | 126603 | Sea-Dweller | Dark dial | Ceramic Bezel and Luminescent Display | Black dial | Yellow Rolesor | M126603-0001 | Men Watch | Rolex Official Retailer - Siam Swiss

Black dial

The black dial of the Sea-Dweller has the large hands and indices reserved for Rolex professional models. The dial bears the name Sea-Dweller inscribed in a yellow hue, echoing the colour of the yellow gold. When the Sea-Dweller was updated in 2017, this lettering was in red, in reference to the original model. The innovative Chromalight display on the dial pushes back the boundaries of visibility in dark environments. Its distinctive blue glow lasts up to eight hours with a uniform luminosity, practically twice as long as that of standard luminescent materials.

Rolex Sea-Dweller | 126603 | Sea-Dweller | Dark dial | Ceramic Bezel and Luminescent Display | Black dial | Yellow Rolesor | M126603-0001 | Men Watch | Rolex Official Retailer - Siam Swiss

Yellow Rolesor

Gold is coveted for its lustre and nobility. Steel reinforces strength and reliability. Together, they harmoniously combine the best of their properties. A true Rolex signature, Rolesor has featured on Rolex models since the early 1930s, and was trademarked as a name in 1933. It is one of the prominent pillars of the Oyster collection.

Rolex Sea-Dweller | 126603 | Sea-Dweller | Dark dial | Ceramic Bezel and Luminescent Display | Black dial | Yellow Rolesor | M126603-0001 | Men Watch | Rolex Official Retailer - Siam Swiss

MODEL AVAILABILITY

All Rolex watches are assembled by hand with the utmost care to ensure exceptional quality. Such high standards naturally restrict Rolex production capacity and, at times, the demand for Rolex watches outpaces this capacity.

Therefore, the availability of certain models may be limited. New Rolex watches are exclusively sold by Official Rolex Retailers, who receive regular deliveries and independently manage the allocation and sales of watches to customers.

Siam Swiss is proud to be part of the worldwide network of Official Rolex Retailers and can provide information on the availability of Rolex watches.

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