Rolex · Sky-Dweller

Strap for Sky-Dweller Yellow Gold / Champagne / 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
Reference326138-0006
FamilySky-Dweller
MovementRolex caliber 9001 hours, minutes, seconds, Additional 24 hours Hand (adjustable) | date, annual calendar, month | chronometer
Year2018 - 2023
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 326138-0006

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Sky-Dweller 326138-0006, seen from the bench

The Sky-Dweller was introduced in 2012 as a GMT watch with an integrated annual calendar. It features the automatic Caliber 9001 with dual time zone indication through an additional 24-hour hand and a patented annual calendar system. 22mm lugs with COSC chronometer certification.

Frequently asked questions

What is the lug width of the Rolex Sky-Dweller 326138-0006?

The Rolex Sky-Dweller 326138-0006 features a 22mm lug width. This dimension is measured between the interior walls of the two lugs where the strap sits. To verify with precision, insert a digital calliper between the lugs and measure the internal distance. A compatible strap must have an exact width of 22mm to seat correctly without creating gaps or stress on the case.

What is the best strap material for a yellow gold Rolex Sky-Dweller 326138-0006?

For a yellow gold 18K Sky-Dweller, we recommend alligator in vegetable tanning. This material develops a patina that ages in harmony with yellow gold, conferring unrivalled aesthetic sophistication to the wrist. Alligator offers durability exceeding ten years, characteristic natural grain, and structural capacity to maintain shape over time. Quality alternatives include English calf in vegetable tanning and, for sports use, technical rubber compound.

How do I change the strap on my Rolex Sky-Dweller 326138-0006?

Strap replacement requires specific tools: a spring bar removal tool with flat blades, natural light or magnification, and a soft protective work surface. Procedure: position the watch face-down on a soft cloth, gently insert the spring bar tool blade into the lateral recess of the lower lug, apply perpendicular pressure to release the pin's tension spring, extract the pin. Repeat for the upper lug. Seat the new strap, aligning the holes with the lugs, reinsert the pin ensuring the tension spring is properly positioned. Verify the strap is securely fastened before wearing the watch.

Can I use an aftermarket 22mm compatible strap on this Rolex case?

Yes, provided the strap has been manufactured to exact 22mm lug width specifications. Quality aftermarket straps, crafted in vegetable tanning or exotic materials such as alligator, seat on the Rolex 326138-0006 case without structural modification. It is essential to verify the strap exhibits no defective construction tolerances: the watch's lugs must act as precise guides with no void spaces. A strap manufactured to Rolex construction specifications guarantees compatibility and aesthetic integrity.

How long does a leather strap last on a Rolex Sky-Dweller?

Leather strap durability depends on material quality and usage patterns. A quality vegetable-tanned strap, such as alligator or English calf, offers a service life of 8–12 years with moderate daily wear. Alligator is most durable owing to the natural scute structure. Factors affecting longevity: humidity (avoid prolonged immersion), direct sunlight exposure (accelerates fibre degradation), salt perspiration (corrosive to vegetable tanning), rotation frequency, and regular maintenance. A well-preserved strap rotated periodically with alternatives can achieve fifteen years of service 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