Oris · ProPilot

Strap for Oris ProPilot 01 774 7661 7734

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
Reference01 774 7661 7734
FamilyProPilot
MovementOris caliber Oris 774 Additional 12 hours Hand (adjustable), hours, minutes, small seconds | date | Chronograph

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 01 774 7661 7734

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The ProPilot 01 774 7661 7734, seen from the bench

The ProPilot features a 44mm titanium case with ceramic elements and 22mm lugs. It is powered by the Oris 774 caliber with functions including hours, minutes, small seconds, date, chronograph and an adjustable GMT hand for the second time zone. The watch is aimed at the aviation sector with specific complications for professional pilots.

Frequently asked questions

What is the exact lug width of the Oris ProPilot 01 774 7661 7734?

The lug width of the Oris ProPilot 01 774 7661 7734 is 22mm. This dimension represents the distance between the two spring bars (lugs) of the watch case. To verify it, measure the centre of one lug to the centre of the opposite lug using a digital calliper. This measurement is critical to ensure strap compatibility and proper spring bar function.

Which strap is most suitable for the Oris ProPilot 01 774 7661 7734?

The ideal strap depends on your use case. For professional aviators, a NATO strap allows rapid changes in flight without tools; genuine alligator offers moisture resistance and a texture coherent with military aesthetics; butyl rubber ensures total water-resistance during pressurisation; vegetable-tanned calf develops authentic vintage patina. All our 22mm straps are compatible with this model.

How do you change the strap on an Oris ProPilot?

The ProPilot uses standard 22mm spring bars. Using a spring bar tool or small screwdriver, press the pin downwards, insert the new strap into the lugs and release the pin until you hear a click. Do not apply excessive force to avoid damage to the titanium case. If you are unfamiliar with the procedure, consult a professional watchmaker.

Are aftermarket straps compatible with the Oris ProPilot 01 774 7661 7734?

Yes, all straps with a 22mm lug width are compatible with the ProPilot. Milano Straps offers a complete selection of artisanal 22mm straps in leather, NATO and rubber, designed to withstand intensive aviatic use. Always verify that the strap has the correct keeper bars for the case width (44mm diameter).

What is the average lifespan of a leather strap for this model?

A high-quality leather strap (alligator or vegetable-tanned calf) subjected to intensive aviatic use maintains optimal functionality for 2-3 years. Longevity depends on exposure to sweat, moisture and thermal variations in the cabin. Rubber straps have a longer lifespan (4-5 years), whilst NATO straps in regenerated fibres maintain their properties for 3-4 years under daily use.

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