Rolex · Datejust 31

Strap for Datejust 31 Rolesor Everose Domed / Oyster / MOP

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter31 mm
Reference178241-0060
FamilyDatejust 31
MovementRolex caliber 2235 hours, minutes, seconds | date | chronometer
CaseMother of Pearl | Rose Gold, Stainless Steel

Spring bar

Spring bars for Rolex

The right category for this model · choose the 16 mm size

Straps for the Datejust 31 178241-0060

Selected for the 16 mm lug width

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The Datejust 31 178241-0060, seen from the bench

The Rolex Datejust 31 ref. 178241-0060 is a dedicated 31mm dress watch featuring the Rolex 2235 manufacture movement with Parachrom hairspring, approximately 48-hour power reserve, and COSC chronometer certification. The Rolesor Everose case combines 904L Oystersteel and 18-karat Everose gold, with a mother-of-pearl dial featuring a 2.5x magnification Cyclops at 3 o'clock. The 16mm lug width requires precise measurement and compatible aftermarket straps; 17mm straps will not fit properly and 15mm straps will be loose.

Frequently asked questions

What is the lug width of the Rolex Datejust 31 178241-0060?

The Rolex Datejust 31 ref. 178241-0060 has a lug width of 16 mm. This measurement is specific to the 31 mm case size within the Datejust family and is essential for selecting a compatible aftermarket strap. To verify independently, use a digital calliper positioned internally between the two lugs, flush against the case, excluding the side flanges.

What is the best strap for the Rolex Datejust 31 178241-0060?

For the Datejust 31 178241-0060 with its mother-of-pearl dial and Rolesor Everose case, the most coherent materials are vegetable-tanned alligator for formal wear, box-calf leather for everyday elegance, and shell cordovan for those seeking an evolving patina over time. A deployant clasp in matching Everose gold is recommended to maintain metallic coherence and reduce wear on the strap at the keeper.

How do you change the strap on a Rolex Datejust 31?

Strap replacement on the Datejust 31 requires a fine-tipped spring bar tool to release the spring bars from the lugs. Original Rolex spring bars have a diameter of 1.8 mm. It is advisable to work on a soft surface to avoid scratching the case. Alternatively, Casati Milano offers an in-atelier fitting service by appointment.

Are there aftermarket straps compatible with the Rolex Datejust 31 178241-0060?

Yes. Any strap with a 16 mm attachment and standard spring bars is technically compatible with the Datejust 31 178241-0060. Milano Straps crafts bespoke leather, NATO and rubber straps specifically in 16 mm lug widths, with finishes and colours selected to complement the Rolesor Everose combination and the mother-of-pearl dial of this reference.

How long does a leather strap last on a Rolex Datejust 31?

The lifespan of a leather strap depends on the material, tanning method and daily use. A vegetable-tanned alligator strap, with regular conditioning, can last between 3 and 7 years. Calf leather typically lasts between 2 and 4 years. Shell cordovan, owing to its dense and compact structure, is among the most durable options. Milano Straps provides an 18-month warranty against manufacturing defects on all handcrafted straps.

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