Rolex · Yacht-Master

Strap for Yacht-Master 40 Rolesor Everose / Black

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference126621-0002 (aka: m126621-0002)
FamilyYacht-Master
MovementRolex caliber 3235 hours, minutes, seconds | date | chronometer
Year2019
CaseRose Gold, Stainless Steel

Recommended spring bar

Spring bars Rolex Yacht-Master II 116688 gold — 20mm

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm

All Rolex spring barsOpen →

Straps for the Yacht-Master 126621-0002 (aka: m126621-0002)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Yacht-Master 126621-0002 (aka: m126621-0002), seen from the bench

The Rolex Yacht-Master 126621-0002 combines the racing heritage of 1990s sport models with contemporary aesthetics, featuring the Chronometer-certified caliber 3235 automatic movement. The 40mm case is crafted in bi-color Rolesor combining 18k Everose gold and Oystersteel, with a blue Rolesium dial and ceramic bezel. Water-resistant to 100 meters with Twinlock crown, this model pairs function with refinement. The 20mm lug width ensures proportional wrist presence without excessive size.

Frequently asked questions

What is the lug width of the Rolex Yacht-Master 126621-0002?

The Rolex Yacht-Master 126621-0002 is equipped with lugs measuring 20 millimetres in width. This dimension represents Rolex's standard for mid-size contemporary sports collection models and must be measured precisely between the internal lug shoulders, where the strap is inserted. Measurement is performed using a digital calliper positioned perpendicularly to the lug.

What is the best strap for the Rolex Yacht-Master 126621-0002?

Strap selection depends on desired aesthetic balance and intended use. For pure elegance, black alligator leather with French vegetable tanning represents the luxury standard, offering natural grain and patina development over time. Shell cordovan in deep brown constitutes an alternative for those desiring dense, lustrous leather. For sporting vocation, rubber structured straps or NATO canvas maintain the model's nautical identity. The bi-colour case in rose gold and steel permits complementary colour combinations such as burgundy or navy blue straps.

How do you change the strap on a Yacht-Master 126621-0002?

The Yacht-Master 126621-0002 strap is changed using Rolex-specific tools: a dual-prong spring bar removal tool is essential. Position the watch on a stable support, insert the thinner prong into the space between the lug and strap to compress the internal elastic pin, then extract the strap carefully. The reverse procedure permits installation of the new strap. The operation should be performed on a soft surface to prevent case scratching.

Can I use an aftermarket 20mm strap on a Rolex Yacht-Master 126621-0002?

Yes, any strap with a 20-millimetre lug width is compatible with the Yacht-Master 126621-0002, provided it meets internal specifications (minimum width 18mm with bevelled shoulders, maximum 20mm). Artisan straps made to measure guarantee superior aesthetic and constructive fit. Always verify that material quality and construction precision match the watch's value: vegetable-tanned leather, hand-finished details and quality-grade spring bars are non-negotiable parameters.

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

Leather strap longevity depends on tanning type, leather thickness and frequency of use. A vegetable-tanned alligator strap, if subjected to regular maintenance (occasional soft-brush cleaning and natural wax treatment), can last 8-12 years. Shell cordovan, being denser, achieves 12-15 years. Standard calf straps last 3-6 years. Prolonged exposure to sunlight, chlorine and fresh water accelerates ageing. In intensive-wear contexts, maintaining at least two straps and alternating their use is recommended to distribute mechanical stress.

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