Rolex
Datejust 31 278275-0037— lug 16mm

The lug width of the Rolex Datejust 31 reference 278275-0037 is 16mm. This measurement should be taken with a digital calliper at the inner distance between the two lugs, as close to the case as possible, to ensure correct compatibility with any aftermarket strap.

For the 18-carat Everose gold case of the Datejust 31 278275-0037, the most suitable straps are in alligator with Mississippiensis grain in cognac, bordeaux or ivory tones, or in shell cordovan for a compact and long-lasting texture. A deployant clasp in rose gold completes the pairing, eliminating any visual discontinuity with the case.

To replace the strap on a Rolex Datejust 31, the spring bars connecting the strap to the case lugs must be removed. A dedicated spring bar tool or fine-tipped instrument is required. It is advisable to proceed with care to avoid scratching the Everose gold case, and professional assistance from a specialist atelier such as Casati Milano is recommended.

Yes, high-quality aftermarket straps compatible with the Rolex Datejust 31 278275-0037 are available. It is essential that the width is exactly 16mm and that the spring bars are in stainless steel or rose gold for coherence with the case. Milanostraps.it offers a selection of handcrafted 16mm straps made specifically for this reference.

The lifespan of a leather strap on a Rolex Datejust 31 depends on the quality of the leather and the care applied. A first-quality alligator or shell cordovan strap with vegetable tanning can last between 3 and 6 years with regular use, developing a personal patina over time. Prolonged exposure to water and perspiration should be avoided, and rotating between straps is recommended to extend their life.