Rolex
Datejust 31 178278-0132— lug 16mm
Rolex Datejust 31 178278-0132: 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 178278-0132The essential strap measurement.
Browse 16mm straps →178278-0132
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 178278-0132?
The lug width (spring bar distance) of the Rolex Datejust 31 178278-0132 is 16mm. This measurement represents the gap between the horizontal lugs on the case and is essential for selecting a compatible strap. To verify this dimension, measure the space between the two lugs using a digital calliper and ensure you read the value in millimetres.
Which strap do you recommend for the Datejust 31 178278-0132 in yellow gold?
For a Datejust 31 in 18-carat yellow gold, we recommend alligator leather in cognac or medium brown tones, which dialogue naturally with precious metal. Alternatively, vegetable-tanned calf offers evolving patina over time, or shell cordovan in burgundy for those seeking chromatic depth. All our 16mm straps are verified for compatibility with this model's lugs.
How do I change the strap on a Rolex Datejust 31?
Changing the strap requires a dedicated spring bar tool. Position the strap with the spring bar pin facing you, insert the thin end of the spring bar tool beneath the pin to release tension, then extract the pin from the case lugs. Repeat on the opposite side. To install the new strap, align the pin with the lug hole and insert it firmly until you hear or feel a click. If you prefer professional assistance, Casati Milano offers this service during an atelier consultation.
Is an aftermarket strap truly compatible with the 178278-0132?
Yes, provided the lug width is precisely 16mm and the strap has been constructed to respect Rolex manufacturing tolerances. Milano Straps supplies exclusively 16mm straps verified for compatibility with the Datejust 31. We recommend avoiding inexpensive straps of dubious quality, as they may damage the original Rolex spring bar pins during installation.
How long does a bespoke leather strap last on a Rolex such as the 178278-0132?
Lifespan depends on usage intensity and the quality of tanning. A high-grade alligator strap, subject to normal daily wear, typically lasts 5-7 years. Calf and shell cordovan vary: vegetable-tanned calf tends to age more rapidly if exposed to moisture, whilst shell cordovan, owing to its natural density, may last 8-10 years or longer. Milano Straps guarantees 18 months against manufacturing defects, but actual longevity also depends on maintenance and atmospheric exposure.
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