Technical Archive

Oris
ProPilot 01 751 7761 3164-07 3 2003BRLC— lug 20mm

Oris ProPilot 01 751 7761 3164-07 3 2003BRLC: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Big Crown ProPilot Big Date Bronze / Black / Fabric

Artisanal Note

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

Technical Specifications

Oris 01 751 7761 3164-07 3 2003BRLC
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

01 751 7761 3164-07 3 2003BRLC

Movement

Oris caliber Oris 751 Hours, Minutes, Seconds | Date

The Heritage

The Oris ProPilot features the Oris 751 automatic caliber with hour, minute, second, and date functions. The watch has 20mm lugs and belongs to the brand's aviation collection. The movement provides essential time indications with a date complication.

FAQ

What is the lug width of the Oris ProPilot 01 751 7761 3164-07 3 2003BRLC?

The lug width is precisely 20 millimetres. This specification is critical for selecting a compatible strap: any variation will alter both the visual proportion and the wrist fit of the watch.

Which type of strap is best suited to the ProPilot 01 751 7761 3164-07 3 2003BRLC?

An alligator leather strap with vegetable tanning or a woven NATO strap are the optimal choices. Alligator leather emphasises the patina development of the bronze case, whilst NATO fabric ensures practicality and moisture resistance during flight operations.

How do I change the strap on the Oris ProPilot?

The strap is changed by extracting the spring bars that pass through the case lugs. A dedicated tool or small lever facilitates the operation: press the spring bar from one side and pull it out from the lug, then repeat on the opposite side. Insert the new spring bars into the strap and secure to the lugs.

Can I fit an aftermarket strap from independent manufacturers on this watch?

Yes, provided it is specifically designed for 20mm lug width. Artisanal straps from Milano Straps are manufactured with precise tolerances for this reference and guarantee full compatibility with the original Oris spring bars.

How long does a leather strap last on a pilot watch like the ProPilot?

A quality leather strap with vegetable tanning will last 2–4 years under moderate use conditions. Aeronautical humidity and UV exposure accelerate ageing; periodic maintenance such as water-proofing treatment extends longevity significantly.