Rolex
Datejust 31 278278-0032— lug 16mm
Rolex Datejust 31 278278-0032: 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 278278-0032The essential strap measurement.
Browse 16mm straps →278278-0032
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. 278278-0032?
The lug width (also called strap width or ansa) of the Rolex Datejust 31 ref. 278278-0032 is 16 millimetres. This dimension is specific to the ladies' model and is essential for selecting compatible straps. Measure the distance between the inner edges of the lugs using a calliper or millimetre ruler to confirm accuracy.
What is the best strap for the yellow gold Rolex Datejust 31 278278-0032?
An alligator leather strap represents the optimal choice to enhance the preciousness of 18kt yellow gold. The characteristic grain of alligator skin creates aesthetic harmony with the fluted bezel and imparts discreet formality. Excellent alternatives include vegetable-tanned calf, which develops an evolving patina over time, or shell cordovan for superior durability and longevity.
How do I change the strap on a Rolex Datejust 31?
Strap replacement requires a dedicated spring bar tool to remove the horizontal pins connecting the lugs to the case. Position the watch securely, locate the small lateral holes on the pins, gently disengage the spring bar using the tool, and slide the old strap away. Insert the new strap's pins into the vacated spaces and reposition the spring bar until it clicks into place. If uncertain, entrust a professional service to avoid scratching the yellow gold case.
Can I use an aftermarket strap on a Rolex Datejust 31 ref. 278278-0032?
Yes, high-quality artisanal straps with a 16mm lug width are fully compatible with the 278278-0032. The critical point is verifying that the strap's lugs are calibrated precisely to 16mm and that the chosen material—alligator, calf, or shell cordovan—is of superior quality to honour the preciousness of the yellow gold case. Avoid generic straps with approximate tolerances.
How long does a leather strap last on a Rolex Datejust 31?
A leather strap's lifespan depends on material quality, frequency of wear, and maintenance. A premium alligator or vegetable-tanned calf strap, worn daily, typically offers 18–24 months before replacement is needed due to natural wear. Shell cordovan, owing to its fibrous structure, can endure 36+ months. Prolonged exposure to sunlight, water, and heat accelerates ageing. Proper care—timely drying, protection from heat sources—significantly extends the strap's useful life.
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