Rolex
Datejust 31 278275-0029— lug 16mm
Rolex Datejust 31 278275-0029: 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 278275-0029The essential strap measurement.
Browse 16mm straps →278275-0029
Rolex caliber 2236 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 Ref. 278275-0029?
The lug width of the Rolex Datejust 31 Ref. 278275-0029 is 16 millimetres. This measurement is critical for compatibility with aftermarket straps and bracelets. Measurement should be taken with a digital calliper between the two attachment points of the case. A strap with 16-millimetre lugs will fit perfectly without play or forcing.
Which strap should I choose for the Datejust 31 278275-0029 in rose gold?
For a Datejust 31 in Everose gold, the following options are recommended: dark brown, medium brown, or Bordeaux alligator to enhance chromatic harmony; cognac shell cordovan for a patina that evolves over time; vegetable-tanned calf in grey or taupe for everyday wear. Avoid shiny synthetic straps, which age poorly. Your choice should reflect the intended context: formal, casual, or sporting.
How do you change the strap on a Rolex Datejust 31?
Changing the strap on a Rolex Datejust 31 requires a specific tool: a strap removal tool or small precision lever. Position the watch on a soft surface (felt or pad), insert the lever into the small hole at the base of the lug, apply gentle pressure to push the attachment pin, then remove the old strap and insert the new one by snapping the pin into the case lugs. This operation requires patience and care to avoid scratching the case.
Is the strap for the Datejust 31 278275-0029 aftermarket compatible?
Yes, any strap with 16-millimetre lugs is compatible with the Datejust 31 278275-0029. Compatibility depends solely on lug width, not on the watch brand. You may use artisanal straps from small ateliers, specialist manufacturers, or major brands, provided they meet the 16-millimetre specification. Always verify the measurement before purchase.
How long does a leather strap last on a Rolex Datejust 31?
The lifespan of a leather strap depends on material quality, frequency of use, and maintenance. A premium artisanal alligator or shell cordovan strap, worn regularly and given periodic care (gentle cleaning and conditioning), can last 5–7 years. A calf strap, being more delicate, typically lasts 3–5 years. Vegetable-tanned leather tends to age better than chrome-tanned leather. Exposure to direct sunlight, moisture, and perspiration accelerates wear. 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 →By appointment only · Milan
The atelier's website: casatimilano.com