Rolex
Datejust 31 178274-0071— lug 16mm
Rolex Datejust 31 178274-0071: 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 178274-0071The essential strap measurement.
Browse 16mm straps →178274-0071
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 178274-0071?
The lug width of the Rolex Datejust 31 178274-0071 is precisely 16mm. This measurement represents the distance between the centres of the two spring bar attachment points on the case and determines compatibility with any replacement strap. It is essential to verify this measurement before purchasing a strap, as an incorrect width will not fit properly into the case lugs.
Which strap material is most suitable for the Datejust 31 with mother-of-pearl dial?
Genuine alligator is the most recommended material for the Datejust 31 with mother-of-pearl, owing to its balanced texture that does not compete visually with the iridescent dial. Alternatively, vegetable-tanned calf leather develops a rich patina over time that echoes the natural evolution of mother-of-pearl. For a sportier aesthetic, shell cordovan in burgundy or black creates a sophisticated contrast. Elastomer remains the ideal choice for warm climates or casual wear.
How do you correctly change the strap on a Rolex Datejust 31?
To change the strap, position the watch on a soft surface (microfiber cloth) to prevent scratching. Use a spring bar tool to gently lever underneath the first attachment pin, lifting the strap away. Repeat on the opposite side. Insert the new spring bars into the replacement strap and slide them into the case, ensuring both pins click fully into the lug slots. If uncertain, entrust the work to a professional watchmaker.
Can high-quality aftermarket straps be used on the Datejust 31?
Yes, absolutely. Specialist brands such as Casati Milano produce aftermarket straps for the 16mm lug width with construction standards exceeding many OEM offerings. The essential requirement is that they are precisely dimensioned for this lug width and that the spring bars (which should remain Rolex originals) insert correctly. Premium alligator, vegetable-tanned calf, and shell cordovan straps often deliver aesthetic results surpassing the factory proposal.
How long does a quality leather strap last on a daily-worn Rolex?
A premium leather strap (alligator, vegetable-tanned calf, shell cordovan) on a regularly worn Rolex Datejust 31 typically lasts between 3 and 5 years. Longevity depends on frequency of use, exposure to perspiration, humidity, and daily care practices. The natural patina that develops is normal and desirable, indicating that the leather is ageing gracefully. To extend strap life, avoid prolonged direct sunlight exposure and saltwater contact, and keep it dry whenever possible.
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