Oris · ProPilot
Strap for Big Crown ProPilot Big Day Date Żelazny I
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the ProPilot 01 752 7698 4184-Set
Selected for the 22 mm lug width · workshop selection
Grey Hammered Leather Strap with Ecru Stitching€98
Natural Calfskin Rally Strap€110
Vintage Brown Calfskin Strap — Natural Patina€98
Natural Calfskin NATO Strap€80
Black Saffiano Rubber Strap€105
The ProPilot 01 752 7698 4184-Set, seen from the bench
Frequently asked questions
What is the exact lug width of the Oris ProPilot 01 752 7698 4184-Set?
The lug width of the Oris ProPilot 01 752 7698 4184-Set is 22 millimetres. This measurement is critical for aftermarket strap compatibility and is calculated by measuring the internal distance between the lugs, excluding the case width itself.
Which strap is recommended for the Oris ProPilot 01 752 7698 4184-Set?
The ProPilot is best paired with straps in medium-grain alligator for daily elegance, vegetable-tanned calf leather with traditional Florentine tannage for natural patina development, or military NATO in Cordura for practicality and cockpit environment resistance. Your choice depends on the balance desired between aesthetics and functionality.
How do I change the strap on my Oris ProPilot 01 752 7698 4184-Set?
Strap changes on 22mm lugs are performed by carefully extracting the lug pins using a dedicated spring bar tool, taking care not to scratch the caseback or case. The new strap must present exactly 22mm internal width. The strap passantes must fully seat around the pins without excessive lateral play.
Can I use an aftermarket compatible strap with my Oris ProPilot 01 752 7698 4184-Set?
Yes, all straps with a 22-millimetre lug width are compatible. Quality artisanal aftermarket straps guarantee identical lug seating and rotational stability to original Oris straps, with the added benefit of aesthetic personalisation and material-specific options.
How long does a natural leather strap last on the Oris ProPilot 01 752 7698 4184-Set?
A vegetable-tanned leather strap on a 45mm watch like the ProPilot, with daily wear and annual maintenance (cleaning, occasional conditioning), lasts 5-7 years before replacement is needed. Patina develops progressively over the first 18-24 months, whilst structural wear becomes visible after 4-5 years of intensive use in humid or pressurised environments.
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
