Rolex Oyster Perpetual Yacht-Master 42 in 18K Yellow Gold, Reference 226658-0001

Rolex has introduced an 18K yellow gold version of its Oyster Perpetual Yacht-Master 42 watch. Its 42 mm Oyster case is waterproof to a depth of 100 metres (330 feet). Its middle case is crafted from a solid block of 18 ct yellow gold. The case back, edged with fine fluting, is hermetically screwed down.

Rolex Oyster Perpetual Yacht-Master 42 in 18K Yellow Gold, Reference 226658-0001

The bidirectionally rotatable bezel has a 60-minute graduated Cerachrom insert in matt black ceramic with raised graduations and numerals. The first 15 minutes are graduated minute-by-minute to allow time intervals to be read with great precision. The bezel can also be turned with ease thanks to its knurled edge, which offers excellent grip.

Rolex Oyster Perpetual Yacht-Master 42 in 18K Yellow Gold, Reference 226658-0001

The Triplock winding crown, fitted with a triple waterproofness system and protected by an integral crown guard, screws down securely against the case. The sapphire crystal glass has a Cyclops lens at 3 o’clock for easy reading of the date.

Rolex Oyster Perpetual Yacht-Master 42 in 18K Yellow Gold, Reference 226658-0001

The new Yacht-Master 42 houses the in-house calibre 3235, which incorporates the patented Chronergy escapement for ensuring high energy efficiency and great dependability. Made of nickel-phosphorus, it is also insensitive to magnetic fields.

Rolex Oyster Perpetual Yacht-Master 42 in 18K Yellow Gold, Reference 226658-0001

The optimized blue Parachrom hairspring with a Rolex overcoil ensures the calibre’s regularity in any position. The oscillator is fitted on the Rolex-designed, patented high-performance Paraflex shock absorbers, increasing the movement’s shock resistance.

Rolex Mercedes hands

Thanks to its barrel architecture and the escapement’s superior efficiency, the power reserve of calibre 3235 extends to approximately 70 hours.

Oysterflex Bracelet

The new 18 ct yellow gold Yacht-Master 42 comes with an Oysterflex bracelet. Developed by Rolex and patented, this innovative strap is made up of flexible, curved metal blades overmoulded with high-performance black elastomer. For enhanced comfort, the inside of the Oysterflex bracelet has longitudinal cushions.

Oysterflex Strap with Yellow Gold Oysterlock folding safety clasp

The Oysterflex bracelet on this new version of the Yacht-Master 42 features the Rolex-designed, patented Oysterlock folding safety clasp in 18 ct yellow gold, which prevents accidental opening.

It also has the patented Rolex Glidelock extension system. This particularly inventive mechanism comprises a rack located under the clasp cover and a toothed sliding link that locks into the chosen notch. The Rolex Glidelock on the Oysterflex bracelet has six notches of approximately 2.5 mm, allowing the length of the bracelet to be adjusted easily, and without tools, up to some 15 mm.

Rolex Oyster Perpetual Yacht-Master 42 in 18K Yellow Gold, Reference 226658-0001

The new Yacht-Master 42 comes with the Superlative Chronometer certification (redefined by Rolex in 2015) and an international five-year guarantee.

Technical details

Model: Rolex Oyster Perpetual Yacht-Master 42 in Yellow Gold
Reference: 226658-0001
Category: Oyster Perpetual Professional

Case
Oyster (monobloc middle case, screw-down case back and winding crown)
Integral crown guard
Diameter: 42 mm
Material: 18 ct yellow gold
Middle case: 18 ct yellow gold, polished finish
Bezel: 18 ct yellow gold, bidirectional rotatable; 60-minute graduated monobloc Cerachrom insert in matt black ceramic; polished, raised graduations and numerals, first 15 minutes graduated minute-by-minute
Case back: 18 ct yellow gold, solid, screw-down with fine fluting
Winding crown: Triplock in 18 ct yellow gold, screw-down, triple waterproofness system
Crystal: Scratch-resistant sapphire with anti-reflective coating; Cyclops lens over the date with double anti-reflective coating
Waterproofness: 100 metres (330 feet)

Movement
Calibre 3235, Manufacture Rolex
Mechanical movement with bidirectional self-winding via Perpetual rotor
Precision: -2 /+2 sec./day, after casing
Jewelling: 31 rubies
Power reserve: Approximately 70 hours

Functions
Centre hour, minute and seconds hands
Instantaneous date at 3 o’clock with secure rapid-setting
Stop-seconds for exact time setting

Oscillator
Frequency: 28,800 beats/hour (4 Hz)
Paramagnetic blue Parachrom hairspring
Rolex overcoil
Large balance wheel with variable inertia
High-precision regulating via four gold
Microstella nuts
Traversing balance bridge
High-performance Paraflex shock absorbers

Escapement
Chronergy with optimized energy efficiency
Paramagnetic nickel-phosphorus pallet fork and escape wheel

Dial
Black lacquer
Hour markers in 18 ct yellow gold, highly legible Chromalight (long-lasting luminescence, blue glow)
Hands in 18 ct yellow gold, highly legible Chromalight (long-lasting luminescence, blue glow)

Bracelet
Oysterflex
Flexible metal blades overmoulded with high-performance elastomer
Oysterlock folding safety clasp in 18 ct yellow gold
Rolex Glidelock extension system (approx. 15 mm in increments of approx. 2.5 mm)

Certification
Superlative Chronometer (COSC + Rolex certification after casing)

Guarantee
International five-year guarantee

[Note: Along with this watch, Rolex has also released a new Yacht-Master 42 white gold model featuring a Falcon’s eye dial (reference 226659-0004). The third model presently available in the 42mm series is the Yacht-Master 42 reference 226659-0002, which features an 18K white gold case and a black lacquer dial.]