Strap for Datejust 31 Rose Gold / Diamond / Chocolate - Roman / President

The Rolex Datejust 31 278285rbr-0016 has a lug width of 16mm. This measurement is specific to the 31mm case size and differs from the Datejust 36 (20mm) and Lady-Datejust 28 (13mm). To confirm, measure the internal distance between the two lugs on the caseback using a digital calliper.

For the Datejust 31 in Everose gold, a vegetable-tanned alligator strap is the most appropriate choice given the watch's formal character. Shell cordovan offers a denser, more wear-resistant alternative with a deep, evolving patina. For daily use, vulcanised rubber maintains visual integrity without requiring specific care. The correct width in all cases is 16mm.

Strap replacement requires a fine-tipped spring bar tool. The Datejust 31 lugs are drilled and house standard 16mm spring bars. Insert the tip into the side lug hole, compress the spring bar and slide the strap outward. The operation is fully reversible and does not affect the case or crown. Work on a soft surface to avoid scratching the Everose gold lugs.

Yes. Any strap with a 16mm attachment and standard spring bars is technically compatible. Milano Straps offers a curated range of handcrafted 16mm straps in alligator, calf, shell cordovan and rubber, with buckles and deployant clasps available in rose gold to match the Everose case of the 278285rbr-0016.

Longevity depends on the material and frequency of wear. A vegetable-tanned alligator strap, worn on rotation and properly maintained — avoiding prolonged water exposure and applying a leather conditioner every two to three months — typically lasts three to five years whilst retaining structural integrity and patina. Shell cordovan generally lasts longer due to its denser fibre structure. Rubber straps are more durable but may stiffen gradually in very dry environments.