Oris · Big Crown

Strap for Big Crown Pointer Date 28.5 Stainless Steel / Silver

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter29 mm
Reference01 584 7550 4061-07 5 14 53
FamilyBig Crown
MovementOris caliber Oris 754 Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Big Crown 01 584 7550 4061-07 5 14 53, seen from the bench

The Oris Big Crown represents a line of aviation watches from the Swiss brand, characterized by the oversized crown to facilitate use with gloves. This model features the Oris 754 caliber with hour, minute, second and date indication. The case has 14mm lugs for the strap.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 584 7550 4061-07 5 14 53?

The lug width of this model is 14 millimetres. This dimension represents the perpendicular distance between the two upper attachment pins of the case. It is critical for selecting compatible straps: using a strap dimensioned differently would result in lateral play or prevent the pins from fitting into the designated holes.

Which strap is most suitable for the Oris Big Crown 28.5mm?

For a 28.5-millimetre case diameter, alligator leather or vegetable-tanned cowhide maintain harmonious proportions. Alligator offers natural texture that does not compete visually with the case; vegetable-tanned leather ensures aesthetic evolution over time. For sporting contexts, NATO strap in high-tenacity polyamide remains a pragmatic and durable solution. We advise against synthetic leather, which ages poorly and undermines overall tactile perception.

How do I change the strap on the Oris Big Crown 01 584 7550 4061-07 5 14 53?

Strap replacement requires extraction of the pins located within the lugs. Use a spring bar tool—a thin lever instrument specifically designed for this task: insert the tip into the hole present on the spiral spring of the pin, lift with controlled pressure until the pin is released from the lower hole of the lug, then extract it. Repeat for the opposite side. The operation is reversible and does not damage the watch if performed carefully. Casati Milano offers professional strap changes by appointment with personalised guidance.

Can I use an aftermarket strap on this Oris?

Yes, provided it is dimensioned to a 14-millimetre lug width. Milanostraps.it offers a selection of artisanal compatible straps in leather, NATO, and rubber. Aftermarket construction quality can equal or surpass OEM solutions, particularly for Italian leather proposals with vegetable tanning. We recommend verifying the thickness and initial rigidity of the new strap: a week of break-in normalises tactile perception.

How long does a leather strap last on this watch?

The longevity of a leather strap depends on construction quality and usage frequency. A strap crafted from artisanal vegetable-tanned leather (as offered by Milanostraps) maintains structural integrity for 5–7 years with moderate daily use, extending to 10–12 years with occasional wear. Prolonged sun exposure, moisture, and perspiration accelerate ageing. Periodic maintenance (gentle cleaning, controlled hydration if necessary) extends strap life. NATO straps in synthetic material resist longer in hostile environments, but lack the aesthetic evolution that characterises natural leather.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only