Rolex · Datejust 31
Strap for Datejust 31 Yellow Gold / Diamond / Champagne - Diamond / President
Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Datejust 31 278288rbr-0005
Selected for the 16 mm lug width
The Datejust 31 278288rbr-0005, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Datejust 31 278288rbr-0005?
The lug width of the Rolex Datejust 31 278288rbr-0005 is 16mm. This measurement is specific to the 31mm Datejust models in yellow gold and requires straps with lugs calibrated to this width to ensure proper fit and security.
What is the best strap for the Rolex Datejust 31 278288rbr-0005?
We recommend alligator leather with vegetable tanning in cognac or dark brown tones to complement the warmth of yellow gold. Alternatively, embossed calf in black or burgundy offers formal elegance with straightforward maintenance. For summer wear, black rubber with a yellow gold deployante buckle maintains the watch's dress character while adding practicality.
How do I change the strap on my Rolex Datejust 31 278288rbr-0005?
The straps on the Datejust 31 278288rbr-0005 are secured by two lateral spring bars measuring 16mm. Using a dedicated removal tool and applying gentle pressure toward the centre, the springs retract, allowing you to slip off the strap. This procedure demands care to avoid scratching the case. We recommend entrusting the operation to a qualified watchmaker if you lack the proper tool.
Can I use an aftermarket strap compatible with my Datejust 31 278288rbr-0005?
Yes, it is possible to use aftermarket straps of certified quality with a 16mm lug width. Ensure the lugs are precisely calibrated—neither too tight nor too loose—to prevent the strap from slipping during wear. Milano Straps offers a selection of artisanal 16mm straps compatible with your model.
How long does a leather strap last on the Rolex Datejust 31 278288rbr-0005?
Longevity depends on the material and usage patterns. Vegetable-tanned alligator can last 8–12 years with regular maintenance (annual cleaning and conditioning). Shell cordovan extends to 15 years, developing an appealing patina. Calf and rubber straps have cycles of 4–6 years. Casati Milano guarantees 18 months against manufacturing defects.
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 →Casati Milano · Via XX Settembre 15, Milan · by appointment only

