Rolex
Datejust 31 178274-0085— lug 16mm
Rolex Datejust 31 178274-0085: 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 178274-0085The essential strap measurement.
Browse 16mm straps →178274-0085
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 exact lug width of the Rolex Datejust 31 178274-0085?
The Rolex Datejust 31 ref. 178274-0085 features 16mm lug width. This specific measurement is critical for aftermarket compatibility: straps designed for 14mm or 18mm cannot be used without compromising alignment and secure attachment. Always verify the reference code engraved on the lugs to confirm accuracy before purchasing any third-party strap.
What is the best strap for the Datejust 31 178274-0085?
Selection depends on intended use. For formal wear and elegance, alligator leather in medium-dark brown (cognac or tobacco tone) creates balanced contrast against the mother-of-pearl dial. Swiss vegetable-tanned veal with fine grain offers superior construction softness but develops authentic patina over time. Shell cordova presents character with natural purple colouring. For daily wear, semi-polished black veal or silk NATO straps ensure practicality without aesthetic compromise.
How do I change the strap on a Rolex Datejust 31?
Strap replacement requires extraction of the lugs from the case using a spring bar tool. Insert the tool tip into the small hole on the lug side, gently push to release the elastic pin, then extract the lug. For the new strap, align the strap holes with the lugs and reinsert the elastic pin by gently compressing it. Never force: movement must be smooth. If inexperienced, contact an authorised service centre.
Can I fit aftermarket compatible straps on my Datejust 31 178274-0085?
Yes, provided they strictly respect the 16mm lug width and proportions of the attachment lugs. High-quality artisanal straps (alligator, veal, cordova) mounted on original Rolex lugs offer certified compatibility without case damage risk. We recommend verifying specific compatibility with the manufacturer against reference 178274-0085 before purchase.
How long does a leather strap last on a Rolex watch?
Leather strap durability under daily wear varies from 2 to 5 years, depending on construction quality, leather type and usage intensity. Premium alligator maintains structural integrity beyond 4 years; smooth veal shows visible wear (micro-scratches, softening) within 2-3 years under intensive use. Artisanal straps with integrated lugs enable rapid replacement without case intervention, allowing strap rotation to extend individual 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