Rolex
Datejust 31 178383-0046— lug 16mm
Rolex Datejust 31 178383-0046: 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 178383-0046The essential strap measurement.
Browse 16mm straps →178383-0046
Rolex caliber 2235 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 178383-0046?
The lug width of the Rolex Datejust 31 178383-0046 is 16mm. This is a non-standard measurement compared to more common Datejust references. It is essential to verify this figure with a digital calliper placed internally between the lugs before purchasing a replacement strap.
What is the best strap for the Rolex Datejust 31 178383-0046 in yellow Rolesor?
For the Datejust 31 178383-0046 in yellow Rolesor, vegetable-tanned alligator in cognac, burgundy or moss green tones offers the most aesthetically coherent pairing. Smooth box calf leather is a refined minimalist alternative, while a deployant clasp in gold or steel completes the combination in a philologically correct manner.
How do you change the strap on a Rolex Datejust 31 178383-0046?
To replace the strap on the Datejust 31 178383-0046, a flat-tipped springbar tool or dedicated screwdriver is required. Pressing the springbar tips inward between the lugs releases the bracelet or strap without force. It is advisable to work on a soft surface to avoid scratching the polished case. If in doubt, a watchmaker or the Casati Milano atelier can carry out the swap professionally.
Are there aftermarket straps compatible with the Rolex Datejust 31 178383-0046?
Yes, high-quality aftermarket straps compatible with the Rolex Datejust 31 178383-0046 are available, provided they respect the 16mm lug width specification. Milano Straps offers a curated selection of handcrafted straps in this size, made from alligator, calfskin and other premium leathers, with bespoke finishing options through the Casati Milano atelier.
How long does a leather strap last on a Rolex Datejust 31?
The lifespan of a leather strap on a Rolex Datejust 31 depends on the materials and daily usage. A quality alligator strap with vegetable tanning and hand-stitching maintains its structural and aesthetic integrity for 3 to 5 years with normal care. Prolonged exposure to water or perspiration accelerates deterioration: alternating between two straps and avoiding direct moisture contact is strongly recommended. Milano Straps provides an 18-month warranty 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