Oris · Big Crown
Strap for Big Crown Pointer Date 30 Stainless Steel - Rose Gold / Silver / Bracelet
Takes 15 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 7626 4361-07 8 15 78, seen from the bench
Frequently asked questions
What is the lug width of the Oris Big Crown 01 584 7626 4361-07 8 15 78?
The lug width is exactly 15mm. This measurement is not a commercial standard, so always verify the spring bar distance on your case with a digital calliper before purchasing aftermarket straps. Even minor variations compromise the fit and security of your watch.
Which strap do you recommend for this 30mm Big Crown?
We recommend alligator leather with vegetable tanning in cognac or black, to emphasise the oversized crown and the model's aviation heritage. Alternatively, a grey cotton-nylon NATO remains historically faithful to the original brief. Your choice depends on context: formal (black alligator), everyday (taupe calf), sporting (NATO or rubber).
How do I change the strap on a watch with 15mm lugs?
Use a spring bar tool appropriate to the scale. Place the watch on a stable surface, insert the small hook under the spring from one side, press gently downward until the spring retracts, extract the old bar. Repeat on the opposite side. Install the new strap by reversing the process. If uncertain, consult a qualified watchmaker: the risk of scratching the case is genuine.
Can I use quality aftermarket straps for the Big Crown 01 584 7626 4361-07 8 15 78?
Yes, provided they are engineered for 15mm lugs and crafted from noble materials (alligator, calf, military-grade cotton). Verify that the spring bar is compatible and that the actual strap width does not create play in the lugs. Bespoke artisanal straps often surpass OEM accessories in natural patina development and comfort.
How long does a natural leather strap last on this watch?
First-grade alligator endures 5–7 years under moderate daily wear. Regenerated calf lasts 3–4 years. Longevity depends on sun exposure, humidity, frequency of wear, and care (periodic conditioning, post-rain drying). Natural leather ages rather than fails: it develops patina, minor creasing, colour shift—all markers of noble construction.
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
