Oris · Big Crown
Strap for Big Crown Pointer Date 28.5 Stainless Steel - Rose Gold / Silver / Bracelet
Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Big Crown 01 584 7550 4361-07 5 14 52, seen from the bench
Frequently asked questions
What is the lug width of the Oris Big Crown 01 584 7550 4361-07 5 14 52?
The lug width is 14 millimetres. This measurement, which is critical for aftermarket strap compatibility, represents the exact distance between the two lugs on the case. To verify it, place a ruler from the centre of one lug hole to the other, perpendicular to the lug axis. It is a rare specification in contemporary watchmaking, requiring careful attention when selecting a replacement strap.
Which type of strap pairs best with the Oris Big Crown 28.50mm with 14mm lugs?
For this feminine pilot's watch, we recommend three primary choices: an alligator strap in cognac tone that enhances the vintage patina; a handcrafted vegetable-tanned calf leather in chocolate-brown for everyday robustness; a NATO strap in high-tenacity nylon in military brown or black for functionality and security during actual flight. The choice depends on use case: formal elegance versus daily practicality versus pilot performance.
How do you change the strap on a watch with 14mm lugs?
Use a spring bar tool to extract the small pin (spring bar) that secures the strap to the watch's lug holes. Insert the tool into the release hole of the pin and apply gentle downward pressure, then withdraw the strap. Repeat from the opposite end. To install the new strap, align the two holes on its lug end with the case lug holes, introduce the pin (maintaining spring tension with the tool), and release once the pin clicks into position. Verify secure attachment on both sides.
Which aftermarket straps are compatible with the Oris Big Crown 01 584 7550 4361-07 5 14 52?
Any strap with a 14 millimetre lug width is compatible. We recommend handcrafted straps in alligator, vegetable-tanned calf, shell cordovan, NATO, and vulcanised rubber. Ensure the lug thickness is consistent with the case (generally 2.5–3.5 millimetres) to avoid mechanical play. Milano Straps offers a dedicated selection of bespoke 14mm straps, customisable in colour and finishes.
What is the estimated lifespan of a leather strap for this watch and how should it be maintained?
A handcrafted quality leather strap (alligator, vegetable-tanned calf, shell cordovan) lasts 3–6 years with intensive daily use, extendable to 8–10 years with proper maintenance. Avoid prolonged water exposure and excessive humidity. Allow the leather to breathe for at least two days per week to permit natural sweat evaporation. When leather loses elasticity, condition it lightly with natural colourless beeswax. Periodic rotation with a second strap extends the life of both. Professional repair (replacement of worn leather lug end) costs 30–60 euros and extends strap lifespan by another 3–4 years.
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
