Rolex
Datejust 31 178288-0051— lug 16mm
Rolex Datejust 31 178288-0051: 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 178288-0051The essential strap measurement.
Browse 16mm straps →178288-0051
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 178288-0051?
The Rolex Datejust 31 reference 178288-0051 features a lug width of 16 millimetres. This measurement is critical when purchasing an aftermarket strap: any larger size (17, 18mm) or smaller size (14, 15mm) would result in misalignment between the spring bars and case. Always verify that your strap has been manufactured specifically for 16mm lugs.
What is the best strap material for the yellow gold Datejust 31?
Alligator represents the most cohesive choice alongside yellow gold: the reptile's geometric grain captures light in a way that complements the metal's warmth. Shell cordovan, with its profound patina that evolves over time, constitutes a more characterful alternative. For a contemporary approach, vegetable-tanned calf leather offers neutral texture and admirable ageing potential. Synthetics and rubber are inadvisable, as they contradict the watch's formal spirit.
How do you correctly change the strap on a Rolex Datejust 31?
Strap replacement requires a dedicated spring bar removal tool to compress the elastic pins (spring bars) that anchor the strap to the case lugs. It is not advisable to force with improvised objects, in order to avoid case scratches or component damage. If you lack experience, entrust the operation to a qualified watchmaker or contact Milano Straps for installation during a visit to the Casati Milano atelier.
Is an aftermarket strap truly compatible with the Datejust 31 178288-0051?
Yes, provided the strap has been constructed with specific 16mm lug width attachments and respects Rolex geometry. Milano Straps manufactures bespoke straps certified as compatible with this reference, with extremely tight construction tolerances. Compatibility is never assumed: each strap must be verified millimetrically before delivery.
What is the average lifespan of a leather strap on a Datejust 31?
A natural leather strap, with vegetable or animal tanning (alligator, cordovan), typically lasts 4-7 years under ordinary use. Ageing accelerates in humid environments, with constant sun exposure or if exposed to repeated mechanical stress. A high-quality alligator or cordovan strap, such as those by Milano Straps, maintains structural integrity well beyond this timeframe. Regular maintenance (gentle cleaning, occasional conditioning) significantly extends useful 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.
Request an appointment →By appointment only · Milan
The atelier's website: casatimilano.com