Rolex
Datejust 31 178243-0005— lug 16mm
Rolex Datejust 31 178243-0005: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 16mm lug width to preserve the original sartorial balance."
Technical Specifications
Rolex 178243-0005The essential strap measurement.
Browse 16mm straps →178243-0005
Rolex caliber 2235 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
Compatible Straps
Selected for the 16mm lug width of the Datejust 31
FAQ
What is the lug width of the Rolex Datejust 31 178243-0005?
The lug width of the Rolex Datejust 31 178243-0005 is precisely 16 millimetres. This measurement must be observed exactly: a 16mm lug width strap has terminal bars that fit into the lateral pins of the case without play or forcing. It is essential to measure the internal diameter of the Oyster attachment with a digital calliper to guarantee absolute compatibility.
Which strap is most suitable for the Rolex Datejust 31 with yellow gold and steel?
For the 178243-0005, alligator leather represents the finest choice: its uniform natural grain intuitively complements the warmth of yellow gold. For versatility, cognac leather maintains chromatic coherence, whilst shell cordovan from vegetable tanning develops a noble brown patina over time. For sporting contexts, a black rubber strap coordinates with the steel whilst honouring the dignity of the gold.
How is a Rolex Datejust 31 strap changed correctly?
Changing a Rolex strap requires a dedicated spring bar tool and precision. Position the watch with the case upward, insert the tool's tip gently into the side recess of the pin, compress the internal spring and extract the pin. Insert the new strap into the terminal bar, reinsert the pin until the spring engages. Verify that the pin is fully seated—there must be no play. Never force; a delicate movement is synonymous with precision.
Is an aftermarket strap compatible with the Rolex Datejust 31 178243-0005?
Yes, provided the lug width is precisely 16mm. Artisanal straps of superior quality—crafted from alligator, leather or cordovan—integrate seamlessly with the 178243-0005. Mechanical compatibility is guaranteed by the 16mm specification; aesthetic quality depends on craftsmanship: noble leather, precise stitching and refined finishing ensure a result superior to standard OEM straps.
How long does an authentic leather strap last on a Rolex Datejust 31?
Durability depends on material, wear and maintenance. High-quality alligator resists 5–7 years with daily use; shell cordovan, owing to superior density, reaches 8–10 years. Leather is more delicate and wears in 3–5 years. Leather is a living skin: it ages nobly but requires protection from water and prolonged direct light. Periodic cleaning with a soft cloth and timely stitching repair significantly extend the strap's lifespan.
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.
Request an appointment →By appointment only · Milan
The atelier's website: casatimilano.com