Technical Archive

Oris
ProPilot 01 751 7761 4063-07 6 20 07LC— lug 20mm

Oris ProPilot 01 751 7761 4063-07 6 20 07LC: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Big Crown ProPilot Big Date Stainless Steel / Grey / Leather

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Oris 01 751 7761 4063-07 6 20 07LC
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

01 751 7761 4063-07 6 20 07LC

Movement

Oris caliber Oris 751 Hours, Minutes, Seconds | Date

The Heritage

The Oris ProPilot Big Crown model 01 751 7761 4063-07 6 20 07LC embodies professional aviation watchmaking with a 41 mm stainless steel case housing the reliable Oris 751 manual-wind movement. The 20 mm lug width accommodates substantial straps suited for robust field use, while applied indices and generously-sized hands ensure readability in low-light conditions. This instrument watch reflects Swiss engineering heritage without decorative flourishes, designed for functional precision in demanding environments.

FAQ

What is the lug width of the Oris ProPilot 01 751 7761 4063-07 6 20 07LC?

The lug width of the ProPilot 01 751 7761 4063-07 6 20 07LC is 20 millimetres. This measurement is the established standard for the Oris ProPilot pilot watch collection and determines compatibility with aftermarket straps. To verify the measurement with precision, position a digital calliper between the two lug pins, avoiding measurement on the case itself.

Which strap is most suitable for the Oris ProPilot 01 751 7761 4063-07 6 20 07LC?

The choice depends on intended use and aesthetic context. An alligator strap with vegetable tanning offers elegance and develops patina over time. English calf maintains instrumental sobriety. A NATO strap in polyamide guarantees extreme robustness for military or outdoor environments. An FKM rubber strap offers superior grip and thermal shock resistance. We recommend choosing based on the primary occasion of wear.

How do you change the strap on the Oris ProPilot 01 751 7761 4063-07 6 20 07LC?

Position the watch on a soft surface to avoid scratching the case. Identify the two lug pins on the sides. Use a spring bar remover or small tweezers to gently lever the pin outward from the rear of the watch. Push the pin outward until completely extracted. Remove the old strap and insert the new one by aligning the holes with the lugs. Reinsert the pin from the opposite side, verifying that it is fully secured. Do not force to avoid case damage.

Does the ProPilot 01 751 7761 4063-07 6 20 07LC accept 20mm aftermarket straps?

Yes, the ProPilot 01 751 7761 4063-07 6 20 07LC accepts aftermarket straps with a 20-millimetre lug width. Always verify that the measurement is precise before purchase: even deviations of 1 millimetre (19mm or 21mm) compromise compatibility and stability. At milanostraps.it you will find a selection of 20mm straps in leather, NATO and rubber, all tested for compatibility with this reference.

What is the average lifespan of a leather strap for the ProPilot 01 751 7761 4063-07 6 20 07LC?

The lifespan of a leather strap depends on the material and use. An alligator strap with vegetable tanning, with regular maintenance (cleaning, conditioning), lasts 5 to 7 years. English calf resists 4 to 5 years under normal conditions. An FKM rubber strap has superior longevity, 5 to 10 years depending on UV exposure and extreme temperatures. Daily use in saline or very hot environments accelerates wear. We recommend replacing the strap when it shows cracks, thinning or loss of elasticity in the closure.