Oris · ProPilot

Strap for Oris ProPilot 01 774 7699 4134

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 7699 4134
FamilyProPilot
MovementOris caliber Oris 774 Additional 12 Hour 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 7699 4134

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The ProPilot 01 774 7699 4134, seen from the bench

The Oris ProPilot ref. 01 774 7699 4134 features the Oris 774 caliber with chronograph, GMT, and small seconds functions. The stainless steel case measures 44mm in diameter with 22mm lugs. The dial displays the date and an additional 12-hour hand for adjustable second time zone.

Frequently asked questions

What is the lug width of the Oris ProPilot 01 774 7699 4134?

The lug width of the Oris ProPilot 01 774 7699 4134 is 22mm. This measurement is taken from the inner distance between the two pins that attach the strap to the case lugs. For a 44mm diameter watch, a 22mm lug width maintains balanced proportions without compromising functionality. It is essential not to confuse lug width with case diameter—these are always distinct measurements.

Which strap should I choose for this ProPilot model?

The Oris ProPilot 01 774 7699 4134 pairs excellently with three strap categories. Natural leather with vegetable tanning—particularly alligator or shell cordovan—harmonises with the watch's technical character. NATO straps in Cordura canvas or ballistic nylon represent the most aviatory and functional choice. Rubber with pearlescent texture offers maximum durability. Your selection depends on intended use: leather for formal contexts, NATO for modularity and operational versatility, rubber for grip and resistance.

How do I change the strap on an Oris ProPilot?

Strap replacement requires no specialised tools. Position the watch on a flat surface with the case facing upwards. Locate the spring bar (lug pin) on one side, then apply gentle pressure towards the watch centre to compress the internal spring. Once tension is released, the pin extracts easily from the lug slot. Repeat on the second pin. Insert the new strap by aligning its holes with the lugs and compress the pins until they click. Verify that the strap is securely fastened.

Can I use an aftermarket compatible strap on the Oris ProPilot 01 774 7699 4134?

Yes. Any strap with a 22mm lug width is mechanically compatible with the Oris ProPilot 01 774 7699 4134. Artisanal quality straps—crafted from vegetable-tanned leather, alligator, shell cordovan or technical materials—often feature superior construction compared to OEM straps. Always verify that the support features stainless steel spring bars and that the lug width is precisely 22mm.

How long does a leather strap last on this watch?

Leather strap longevity depends on tanning method, frequency of wear and environmental conditions. A high-quality vegetable-tanned leather strap, worn regularly but not daily in extreme conditions, maintains structural integrity for 5-7 years. Shell cordovan leather, owing to its density and compactness, can extend this timeframe to 8-10 years. NATO or rubber straps offer superior durability, often exceeding 10 years. Constant exposure to perspiration, moisture and UV radiation accelerates deterioration. Regular maintenance with natural balms significantly prolongs strap lifespan.

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