Rolex · Sky-Dweller

Strap for Sky-Dweller Yellow Gold / Silver Roman / Alligator

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
Reference326138-0003
FamilySky-Dweller
MovementRolex caliber 9001 hours, minutes, seconds, Additional 24 hours Hand (adjustable) | date, annual calendar, month | chronometer
Year2014/1 - 2018
CaseYellow Gold

Recommended spring bar

Modern Rolex spring bars 22mm × 1.5mm

Technical match for lug width and diameter · lug 22 mm · Ø 1.5 mm · closed lugs

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Straps for the Sky-Dweller 326138-0003

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Sky-Dweller 326138-0003, seen from the bench

The Sky-Dweller in yellow gold represents Rolex's watchmaking expertise: an annual GMT combining technical complexity with refined design. Introduced in 2012, this 42mm timepiece features the patented Ring Command bezel and champagne dial. Reference 326138-0003 houses the Rolex caliber 9001, offering dual time display with independent adjustment, annual calendar requiring correction only in February, and COSC-certified chronometer accuracy of ±2 seconds per day. The case, 14.55mm thick, is crafted in 18-karat yellow gold with an Oyster hermetic closure ensuring water resistance to 100 meters. Strap size: 22mm.

Frequently asked questions

What is the correct lug width for the Rolex Sky-Dweller 326138-0003?

The lug width of the Rolex Sky-Dweller 326138-0003 is 22mm. This dimension is standard for this 42mm model and is essential to ensure mechanical compatibility and correct aesthetic integration between strap and case. An incorrect width would compromise both fit and structural integrity.

Which strap material is best suited for the yellow gold Sky-Dweller 326138-0003?

For a yellow gold Sky-Dweller, we recommend alligator or shell cordovan leather with vegetable tanning. Alligator offers discreet elegance and a patina that evolves over time, perfect for formal daily wear. Vulcanised rubber remains excellent for sporty use, creating a contemporary contrast between the precious metal and practicality.

How do you change the strap on a Rolex Sky-Dweller?

Changing the strap requires a specific tool to extract the lug pins. Position the watch on a flat surface, locate the two side lugs and use a lever tool to gently compress the internal pin and extract it. Always verify that the new strap has the correct lug width (22mm in your case) before installation. If you lack experience, entrust this task to a professional to avoid damage to the case.

Which aftermarket straps are compatible with the 326138-0003?

All straps with a 22mm lug width are compatible with your Sky-Dweller. You can choose from leather, rubber, textile and metal options. We recommend straps with a deployant clasp for greater comfort and to protect the crystal during manual GMT time adjustment.

How long does a leather strap last on a watch like the Sky-Dweller?

A quality leather strap, with regular maintenance, lasts on average 3-5 years of daily use. Longevity depends on sun exposure, water and sweat contact. A vegetable-tanned strap develops a natural patina and can last longer if conditioned periodically with specific oils. Our straps are guaranteed for 18 months against manufacturing defects.

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