Rolex · Pearlmaster

Strap for Rolex Pearlmaster 81338

Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width17 mm
Case diameter34 mm
Reference81338
FamilyPearlmaster
MovementRolex caliber 2235 Hours, Minutes, Seconds | Date | Chronometer

Recommended spring bar

Vintage Rolex Bubbleback spring bars — narrow lugs

Technical match for lug width and diameter · lug 17 mm · Ø 1.5 mm

All Rolex spring barsOpen →

The Pearlmaster 81338, seen from the bench

The Pearlmaster reference 81338 features a 34mm yellow gold case with 17mm lugs. It is powered by the Rolex 2235 automatic movement, certified as an official chronometer. The functions include hours, minutes, central seconds and date.

Frequently asked questions

What is the lug width of the Rolex Pearlmaster 81338?

The lug width of the Rolex Pearlmaster 81338 is 17mm. This dimension is standard across the entire Pearlmaster family. To verify, measure the distance between the centre of the left lug and the centre of the right lug from the inside of the bracelet using a digital calliper. Rolex manufacturing tolerances range between 16.8mm and 17.2mm.

Which strap is most suitable for the Pearlmaster 81338?

Alligator remains the most natural choice for the Pearlmaster 81338: its fine fibred grain dialogues with the watch's constructive rigour. Matte alligator in black or brown offers composure; cognac restores the warmth of yellow gold. Alternatively, aged calf leather guarantees a patina that evolves over time. Not recommended: shell cordovan, sports materials, and excessively complex textures.

How do I change the strap on my Rolex Pearlmaster 81338?

Changing the strap on the Pearlmaster 81338 requires minimal tools: a small flat-head screwdriver to move the lug bar. Loosen the lug bar (do not remove it completely), slide off the old strap, insert the new one by aligning the lugs, and reposition the lug bar. Never force: 18-carat gold is malleable. If you prefer, Casati Milano will change the strap for you during a visit to the Milan atelier.

Can I use an aftermarket strap on my Pearlmaster 81338?

Yes. A handcrafted 17mm leather strap is completely compatible with the Pearlmaster 81338. It is advisable to choose materials consistent with the watch's jewellery-making philosophy: alligator, calf, and vegetable-tanned leather are the best solutions. A deployant clasp in yellow gold or gold-plated completes the package. Avoid straps with excessively textured or clashing colours without narrative purpose.

How long does a leather strap last on a Pearlmaster 81338?

The lifespan of a high-quality artisanal leather strap depends on usage and maintenance. Premium alligator or calf leather, used regularly (not daily) and given light maintenance (brushing, moisture protection), typically lasts 5-7 years. Rotating between two straps significantly extends the life of both. Casati Milano guarantees 18 months on manufacturing defects; the natural fibre of leather ages elegantly beyond this period.

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