Rolex · Yacht-Master

Strap for Yacht-Master 42 Titanium - Cerachrom / Black

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
Reference226627-0001 (aka: M226627-0001)
FamilyYacht-Master
MovementRolex caliber 3235 hours, minutes, seconds | date | chronometer
Year2023
CaseTitanium, Ceramic

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

All Rolex spring barsOpen →

Straps for the Yacht-Master 226627-0001 (aka: M226627-0001)

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Yacht-Master 226627-0001 (aka: M226627-0001), seen from the bench

The Yacht-Master 42 Titanium, reference 226627-0001, introduced in 2023, marks a turning point in Rolex's nautical watchmaking. Constructed in grade 5 titanium instead of white gold, it delivers reduced weight while maintaining full functionality. The black ceramic Cerachrom bidirectional bezel resists scratches and fading. The caliber 3235 automatic movement features a niobium-titanium Parachrom balance wheel, 28,800 vph oscillation frequency, and approximately 70 hours power reserve. Chronometer certified to -2/+2 seconds per day, it offers water resistance to 100 meters with a Triplock crown. The 42 mm titanium case pairs with a 21 mm lug width.

Frequently asked questions

What is the exact lug width of the Rolex Yacht-Master 226627-0001?

The Rolex Yacht-Master 42, reference 226627-0001, features a lug width of 20 millimetres. This dimension is determined by the geometry of the 42mm titanium grade 5 case and represents the space between the two attachment pins where the strap is inserted. It is essential to verify this measurement before purchasing an aftermarket strap, as an incorrect size not only appears visually unbalanced but also compromises the efficiency of the strap keeper loops and overall comfort during wear.

Which leather strap is most suitable for the Yacht-Master 226627-0001?

For a Yacht-Master 42 in titanium, alligator represents the most versatile and refined choice: its natural texture with longitudinal scale pattern creates a sophisticated contrast with the titanium, whilst its inherent robustness makes it well-suited to marine environments. Vegetable-tanned calf leather offers a warmer aesthetic, developing a natural patina over time. Black alligator maintains the watch's chromatic sobriety, whereas cognac-brown alligator enhances the titanium with warm contrast. For frequent diving, FKM rubber ensures complete waterproofing and minimal maintenance.

How do you change the strap on a Rolex Yacht-Master 226627-0001?

Changing the strap on the 226627-0001 requires specific tools: a spring bar tool to remove the pins securing the strap to the case lugs. Position the tool under the pin and gently push upwards to release the internal spring, then repeat on the opposite side. Once the pins are removed, the old strap detaches easily. To fit the new strap, align the holes and reinsert the pins, ensuring the spring is correctly positioned. It is advisable to perform this operation on a soft surface (cloth or pad) to avoid scratching the titanium case.

Is an aftermarket strap compatible with the Rolex Yacht-Master 226627-0001?

Yes, any strap with a 20mm lug width is compatible with the 226627-0001, provided it has been constructed to precision standards and uses quality spring bars. Artisanal leather straps made from premium hides, with vegetable or mineral tanning, often offer superior aesthetic quality compared to OEM straps, allowing complete customisation of the watch. It is however essential to verify that the pins are stainless steel or titanium, compatible with the titanium case, to prevent galvanic reactions over time.

How long does a leather strap last on a watch like the Yacht-Master 226627-0001?

The durability of a leather strap depends on frequency of wear, exposure to moisture and salt water, and tanning quality. An alligator with vegetable tanning, worn daily under normal conditions, has an average lifespan of 4–6 years before replacement is needed. Frequent exposure to marine environments (salt spray, chlorine, UV rays) significantly reduces this duration. Vegetable-tanned calf deteriorates aesthetically with intensive use. To prolong strap life, annual servicing (cleaning and conditioning) is recommended, and alternating use with other straps is advisable. Casati Milano artisanal straps include an 18-month guarantee on manufacturing defects, though overall lifespan remains dependent on use conditions.

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.

Request an appointment →

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