Strap for Big Pilot Antoine De Saint Exupery Red Gold

The lug width of the IWC Big Pilot IW5004-21 is 22 millimetres. This measurement is critical for aftermarket strap compatibility. To verify it, use a calliper positioned between the two attachment points on the case: the reading must match exactly 22mm.

For the IWC Big Pilot IW5004-21 in 18-carat rose gold, alligator in dark brown or cognac tones represents the most elegant solution, amplifying the metal's warmth. Shell cordovan in #8 colour creates a sophisticated pairing; vegetable-tanned calf allows more dynamic choices (navy, forest green, burgundy). For functional use, calibrated rubber or NATO in black provide maximum practicality.

The Big Pilot employs quick-release spring bars. Use a dedicated spring bar tool, inserting the forked tip into the lateral groove of the bar. Apply gentle downward pressure until the bar retracts, then extract it from the case. Repeat for the other lug attachment. For new strap installation, align the holes and gently insert the spring bars until they click into place.

Any strap with a 22mm lug width is compatible with the IW5004-21. On milanostraps.it you will find a selection of artisanal leather straps in premium materials (alligator, shell cordovan, vegetable-tanned calf) and technical materials, all ready for dispatch and customisable in size, initials, and stitching thread colour. Casati Milano also creates bespoke straps with direct consultation.

The lifespan of a premium leather strap depends on wear intensity and care. With regular wear (5-6 days per week), an alligator or shell cordovan strap of quality maintains structural and aesthetic integrity for 3-4 years. Vegetable-tanned leather develops a fascinating patina over time. Alternating straps extends useful life: leather requires rest and aeration. Milano Straps straps include an 18-month warranty and can be serviced and restored.