Rolex · Yacht-Master

Strap for Yacht-Master 42 White Gold / Falcon's Eye

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter42 mm
Reference226659-0004 (aka: M226659-0004)
FamilyYacht-Master
MovementRolex caliber 3235 hours, minutes, seconds | date | chronometer
Year2022
CaseFalcon's Eye | Ceramic, White Gold

Recommended spring bar

Spring bars modern Rolex 21mm × 1.5mm

Technical match for lug width and diameter · lug 21 mm · Ø 1.5 mm · closed lugs

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Straps for the Yacht-Master 226659-0004 (aka: M226659-0004)

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Yacht-Master 226659-0004 (aka: M226659-0004), seen from the bench

The Rolex Yacht-Master 226659-0004 is a 42 mm white gold sports watch featuring a distinctive Falcon's Eye dial—a fibrous quartz variety displaying iridescent blue, anthracite, and golden-brown reflections depending on light angle. The watch houses the Rolex 3235 chronometer movement with 70-hour power reserve and includes a black ceramic Cerachrom bezel with bidirectional scale. Water-resistant to 100 metres with helium escape valve, the 20 mm lug width accommodates compatible straps precisely.

Frequently asked questions

What is the lug width of the Rolex Yacht-Master 226659-0004?

The lug width of the Rolex Yacht-Master 226659-0004 is 20mm. This parameter represents the internal distance between the two metal lugs of the case. It is essential to measure this value correctly before ordering an aftermarket strap, as an 18mm or 22mm lug width would not be compatible. The measurement should be taken by placing a digital calliper perpendicular to the lugs, from the inside of the case.

Which strap do you recommend for the Rolex Yacht-Master 226659-0004?

For the Yacht-Master 226659-0004 in white gold, we recommend alligator in grey-blue tones or vegetable-tanned calf in dark mahogany colour. Alligator amplifies the elegance of the precious case through its fine and regular grain. Calf, conversely, develops a noble patina over time. If the watch will be worn in frequent sailing environments, opt for a Pirelli rubber strap or technical NATO, which guarantee water resistance and durability. Avoid saturated colours that would compromise the aesthetic restraint of the model.

How do I change the strap on my Rolex Yacht-Master 226659-0004?

Strap replacement requires a spring bar tool, a precision instrument that allows you to compress the small lateral springs (spring bars) that anchor the strap to the lugs. Position the spring bar tool in one of the two lateral slots, compress gently to disengage the spring, then pull the strap upwards. Repeat the operation from the other side. To fit the new strap, align the internal hole with the springs and press with the spring bar tool until you hear a click. If you are not experienced, entrust the task to a certified watchmaker: it is a quick operation and carries no risk of damage.

Can I fit an aftermarket strap compatible with my Rolex Yacht-Master 226659-0004?

Absolutely. The Rolex Yacht-Master 226659-0004 accepts any quality strap with a 20mm lug width. Aftermarket straps allow you to personalise the watch according to your personal style: you can alternate elegant alligator for formal occasions, robust calf for daily use, or technical rubber for aquatic environments. The key is always to verify the compatibility of the lug width. Milanostraps offers a curated collection of 20mm straps in various materials, all designed to enhance the aesthetics of the Yacht-Master.

How long does a leather strap last on my Rolex Yacht-Master 226659-0004?

A quality leather strap (alligator, vegetable-tanned calf, shell cordovan) has an average lifespan of 4-6 years with moderate daily use, extendable to 10 years with conscious maintenance. Critical factors: sun exposure, perspiration, humidity and frequency of use. Alligator, thanks to its fibrous structure, ages well developing an elegant patina. Vegetable-tanned calf is more vulnerable to moisture, but achieves extraordinary beauty in the first 2-3 years. Keep the strap away from direct light when not wearing it. Bi-annual maintenance with specific balm significantly extends the useful life.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only