Oris · ProPilot

Strap for Oris ProPilot 01 798 7768 4284

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
Reference01 798 7768 4284
FamilyProPilot
MovementOris caliber Oris 798 hours, minutes, seconds, Additional 24 hours Hand (adjustable) | date

Spring bar

Swiss Standard universal spring bars

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

Straps for the ProPilot 01 798 7768 4284

Selected for the 20 mm lug width

All 20 mm straps →

The ProPilot 01 798 7768 4284, seen from the bench

The Oris ProPilot ref. 01 798 7768 4284 features the automatic Oris 798 caliber with functions for hours, minutes, seconds, an adjustable GMT hand, and date. The stainless steel case measures 41mm in diameter with 20mm lugs. The movement offers a second time indication through the independently adjustable 24-hour hand.

Frequently asked questions

What is the lug width of the Oris ProPilot 01 798 7768 4284?

The lug width of the Oris ProPilot 01 798 7768 4284 is 20 mm. This measurement is specific to this model and allows for the fitting of straps specifically designed for this width, ensuring a perfect fit between the lugs of the case.

What is the best strap to pair with the Oris ProPilot 01 798 7768 4284?

The choice of strap depends on your intended use: for formal rotation, we recommend a structured alligator in slate blue or black. For classic aviation authenticity, a NATO strap in military green or black textile is ideal. If you will be using the watch in humid environments or under physical stress, vulcanised rubber guarantees maximum durability. A vegetable-tanned calf leather develops a personal patina over time as you wear it.

How do you change the strap on an Oris ProPilot?

To change the strap, you need to remove the two spring bars securing it to the case. Use a spring bar tool to compress the internal spring and slide the bar out of its seat in the lug. Proceed on one side first, then the other. Once the bars are removed, the old strap detaches and you can insert the new one, ensuring the bars lock correctly in both lugs.

Is the Oris ProPilot 01 798 7768 4284 compatible with aftermarket 20 mm straps?

Yes, the ProPilot is fully compatible with aftermarket 20 mm straps, provided the width is measured precisely between the spring bar seats. Milano Straps offers a complete selection of 20 mm straps in leather, NATO and rubber, all verified for correct compatibility with this lug width.

How long does a leather watch strap last?

A quality leather strap, under regular use, has an estimated lifespan of 2 to 4 years before requiring replacement. This duration varies based on intensity of use, climate (humidity accelerates ageing), frequency of wear and tanning quality. A vegetable-tanned strap, whilst more delicate initially, can last longer due to its ability to patina rather than degrade suddenly. Avoid prolonged exposure to water and direct sunlight to maximise longevity.

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