Rolex · Datejust 31
Strap for Datejust 31 Yellow Gold Domed / Oyster / Silver Diamonds
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 178248-0054
Selected for the 16 mm lug width
The Datejust 31 178248-0054, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Datejust 31 178248-0054?
The lug width of the Rolex Datejust 31 178248-0054 is 16mm. This measurement is determined by the proportions of the 31mm case and is essential to ensure that replacement straps fit perfectly onto the case lugs. Always verify lug width with a calliper, measuring from the inner edge of the upper lug to the inner edge of the lower lug.
What is the best strap for the Rolex Datejust 31 178248-0054?
For a Datejust 31 in 18k yellow gold, the finest choice remains hand-stitched alligator leather: its natural texture amplifies the sense of craftsmanship and dialogues perfectly with the gold. Fine-grained calf leather treated with vegetable tanning represents a versatile alternative, capable of developing natural patina over time. The choice depends on personal style and your watch's dial colour.
How do I change the strap on a Rolex Datejust 31 178248-0054?
Strap replacement requires a spring bar remover tool (precision instrument). Position the watch with the lug facing upwards, insert the spring bar remover into the lower opening of the lug and gently press upward to release the internal spring. Repeat for both sides. Should you own an original Rolex strap, it is advisable to consult an authorised service centre.
Can I use a quality aftermarket strap on my Rolex Datejust 31 178248-0054?
Yes, provided the strap is designed for a 16mm lug width and manufactured by experienced leather craftsmen. An artisanal strap in alligator or calf leather can offer construction and aesthetic quality superior to standard aftermarket straps. It is essential to verify that the passant loops are proportionate and that the leather is treated with proper tanning processes.
How long does a leather strap last on a Rolex Datejust 31 178248-0054?
The lifespan of a leather strap depends on the material and usage. High-quality alligator leather with vegetable tanning can last 3-5 years with regular maintenance. Traditionally treated calf leather typically lasts 2-4 years. Daily wear on a female wrist, typically more delicate, can extend lifespan compared to intensive use. Maintenance includes periodic cleaning and protection from direct sunlight and excessive moisture.
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

