The Oyster Perpetual Yacht-Master, the emblematic nautical watch, embodies the privileged ties between Rolex and the world of sailing that stretch back to the 1950s.

Launched in 1992, the Yacht-Master was designed specifically for navigators and skippers. Embodying the rich heritage that has bound Rolex and the world of sailing since the 1950s, this Professional-category watch provides a perfect blend of functionality and nautical style, making it equally at home on and off the water.

The Yacht-Master is easily recognized by its bidirectional rotatable 60-minute graduated bezel made entirely from precious metal (gold or platinum) or fitted with a Cerachrom insert in high-technology ceramic. The raised polished graduations and numerals stand out clearly against a matt background. This characteristic and functional bezel – which enables the wearer to read time intervals, for example, the sailing time between two buoys – plays a full part in creating the unique visual identity of the watch. The bezel can be turned with ease thanks to its knurled edge, which offers excellent grip.

The Yacht-Master offers great legibility in all circumstances, even in the dark, thanks to its Chromalight display: the large hour markers and broad hands are filled or coated with a luminescent material emitting a long-lasting blue glow – for up to two times longer than traditional phosphorescent materials.

Like all Rolex watches, the Yacht-Master is covered by the Superlative Chronometer certification redefined by Rolex in 2015. This exclusive designation attests that every watch leaving the brand’s workshops has successfully undergone a series of tests conducted by Rolex in its own laboratories and according to its own criteria. These certification tests apply to the fully assembled watch, after casing the movement, guaranteeing superlative performance on the wrist in terms of precision, power reserve, waterproofness and self-winding. The Superlative Chronometer status is symbolized by the green seal that comes with every Rolex watch and is coupled with an international five-year guarantee.

The precision of every movement – officially certified as a chronometer by the Swiss Official Chronometer Testing Institute (COSC) – is tested a second time by Rolex after being cased, to ensure that it meets criteria that are far stricter than those of the official certification. The precision of a Rolex Superlative Chronometer is of the order of −2/+2 seconds per day – the rate deviation tolerated by the brand for a finished watch is significantly smaller than that accepted by COSC for official certification of the movement alone.

The Superlative Chronometer certification testing is carried out after casing using state-of-the-art equipment specially developed by Rolex and according to an exclusive methodology that simulates the conditions in which a watch is actually worn and more closely represents real-life experience. The entirely automated series of tests also checks the waterproofness, the self-winding capacity and the power reserve of 100 per cent of Rolex watches. These tests systematically complement the qualification testing during development and production, in order to ensure the watches’ reliability, robustness, and resistance to magnetic fields and shocks.

The Yacht-Master’s Oyster case, 37 mm, 40 mm, or 42 mm in diameter and guaranteed waterproof to a depth of 100 metres (330 feet), is a paragon of robustness and reliability. The middle case is crafted from a solid block of Oystersteel, a particularly corrosion-resistant alloy, or 18 ct gold. The case back, edged with fine fluting, is hermetically screwed down with a special tool that allows only certified Rolex watchmakers to access the movement. The Triplock winding crown – fitted with a triple waterproofness system – screws down securely against the case. It is protected by an integral crown guard. The crystal, with a Cyclops lens at 3 o’clock for easy reading of the date, is made of virtually scratchproof sapphire and benefits from an anti-reflective coating. The waterproof Oyster case provides optimum protection for the Yacht-Master’s movement.

Yacht-Master models are equipped with calibre 2236 (Yacht-Master 37) or calibre 3235 (Yacht-Master 40 and Yacht-Master 42), self-winding mechanical movements entirely developed and manufactured by Rolex. Consummate demonstrations of technology, these movements carry a number of patents. They offer outstanding performance in terms of precision, power reserve, resistance to shocks, convenience and reliability.

The oscillator of calibres 2236 and 3235 has a balance wheel with variable inertia regulated extremely precisely via gold Microstella nuts. It is held firmly in place by a height-adjustable traversing bridge enabling very stable positioning to increase shock resistance. The oscillator is also fitted on high-performance Paraflex shock absorbers, designed by Rolex and patented.

Calibre 2236 incorporates a Syloxi hairspring in silicon, which is manufactured by the brand and patented. Calibre 3235 features an optimized version of the blue Parachrom hairspring, manufactured by Rolex in a paramagnetic alloy. Both hairsprings are insensitive to magnetic fields, offer great stability in the face of temperature variations.

The geometry of the Syloxi hairspring found in calibre 2236 guarantees the regularity of the movement in any position; the blue Parachrom hairspring of calibre 3235 is fitted with a Rolex overcoil that offers the same level of performance.

Calibre 2236 has a paramagnetic nickel-phosphorus escape wheel. Calibre 3235 incorporates the patented Chronergy escapement, made of the same alloy, which combines high energy efficiency with great dependability and is also insensitive to magnetic fields.

Calibre 2236 and calibre 3235 are fitted with a self-winding module featuring a Perpetual rotor, which ensures continuous winding of the mainspring by harnessing the movements of the wrist to provide constant energy. Calibre 2236 offers a power reserve of approximately 55 hours, while the power reserve of calibre 3235 extends to approximately 70 hours thanks to its barrel architecture and the escapement’s superior efficiency.

The Yacht-Master’s movements will be seen only by certified Rolex watchmakers, yet they are beautifully finished and decorated in keeping with the brand’s uncompromising quality standards.

The Rolesium versions (combining Oystersteel and platinum) and the Everose Rolesor versions (combining Oystersteel and Everose gold) of the Yacht-Master 37 and the Yacht-Master 40 are fitted on a three-piece link Oyster bracelet, equipped with the Easylink comfort extension link. Developed by Rolex, this system allows the wearer to easily increase the bracelet length by approximately 5 mm, for additional comfort in any circumstance. A concealed attachment system ensures seamless visual continuity between the bracelet and case.

The Yacht-Master 37 and Yacht-Master 40 in 18 ct Everose gold, as well as the Yacht-Master 42, made from 18 ct yellow or white gold, are fitted on an Oysterflex bracelet equipped with the Rolex Glidelock extension system. This technical bracelet, developed by Rolex and patented, singularly combines the robustness and reliability of a metal bracelet with the suppleness, comfort and aesthetics of an elastomer strap. It is composed of two flexible curved metal blades – one for each bracelet section – overmoulded with high-performance black elastomer. Developed by the brand and patented, the Rolex Glidelock is an inventive toothed mechanism, integrated beneath the clasp, that allows fine adjustment of the Oysterflex bracelet length without the use of tools. The Rolex Glidelock on the Oysterflex bracelet has six notches of approximately 2.5 mm each, allowing the bracelet length to be adjusted easily up to some 15 mm.

The Oyster and Oysterflex bracelets on the Yacht Master models are equipped with an Oysterlock safety clasp, designed by Rolex and patented, which prevents accidental opening.


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