The Oyster Perpetual Yacht-Master 40 in Oystersteel and Everose gold with an Oyster bracelet.
The Yacht-Master’s bidirectional rotatable 60-minute graduated bezel is made entirely from precious metals or fitted with a Cerachrom insert in high-tech ceramic. The raised polished numerals and graduations stand out clearly against a matt, sand-blasted background.
This functional bezel – which allows the wearer to calculate, for example, the sailing time between two buoys – is also a key component in the model’s distinctive visual identity.
Like all Rolex Professional watches, the Yacht-Master 37 offers exceptional legibility in all circumstances, and especially in the dark, thanks to its Chromalight display.
The broad hands and hour markers in simple shapes – triangles, circles, rectangles – are filled with a luminescent material emitting a long-lasting glow.
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.
The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology, designed to be both robust and comfortable. It is equipped with an Oysterlock folding clasp, which prevents accidental opening and the Easylink comfort extension link, also exclusive to Rolex.
This ingenious system allows the wearer to increase the bracelet length by approximately 5 mm, providing additional comfort in any circumstance.
Case
Type
- Oyster, 40 mm, Oystersteel and Everose gold
Diameter
- 40 mm
Material
- Everose Rolesor
Bezel
- Everose gold bidirectional rotatable 60-minute graduated with raised numerals
Oyster Architecture
- Monobloc middle case, screw-down case back and winding crown
Winding Crown
- Screw-down, Triplock triple waterproofness system
Crystal
- Scratch-resistant sapphire, Cyclops lens over the date
Waterproofness
- Waterproof to 100 metres / 330 feet
Movement
Type
- Perpetual, mechanical, self-winding
Calibre
- 3235, Manufacture Rolex
Precision
- -2/+2 sec/day, after casing
Oscillator
- Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorber
Winding
- Chronergy with optimized energy efficiency
Power reserve
- Bidirectional self-winding via Perpetual rotor
Power reserve
- Approximately 55 hours
Functions
- Centre hour, minute and seconds hands. 24-hour display. Second time zone with independent rapid- setting of the hour hand. Instantaneous date. Stop-seconds for precise time setting
Bracelet
Type
- Oyster, three-piece solid links
Bracelet Material
- Everose Rolesor – combination of Oystersteel and Everose gold
Clasp
- Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
Dial
Type
- Chocolate
Details
- Highly legible Chromalight display with long-lasting blue luminescence
Case reference 126621
Bracelet reference 78801





