Formex · Pilot

Strap for Pilot Quartz Chronograph PVD / Silver / Calf

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

Lug width22 mm
Case diameter47 mm
Reference1100.4.3044.213
FamilyPilot
MovementRonda caliber 5040.D hours, minutes, small seconds | date | Chronograph
CaseTitanium, Stainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Pilot 1100.4.3044.213

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Pilot 1100.4.3044.213, seen from the bench

The Formex Pilot reference 1100.4.3044.213 is equipped with the Ronda 5040.D quartz caliber with hour, minute, small second, date and chronograph functions. The case features 22mm lugs for the strap. The movement provides chronograph indications in addition to the basic watchmaking functions.

Frequently asked questions

What is the lug width of the Formex Pilot 1100.4.3044.213?

The Formex Pilot 1100.4.3044.213 features a lug width of 22mm. This measurement is the standard gauge for watches of this dimensional range and provides access to an extensive catalogue of compatible artisanal straps, from vegetable-tanned leather to NATO and technical rubber options.

Which strap would you recommend for the Formex Pilot 1100.4.3044.213?

For this aviatory chronograph, we recommend a black alligator strap or Tuscan calf leather with vegetable tanning in whisky-brown tones. Both options strike an aesthetic equilibrium between the technical austerity of the titanium-steel case and the tactile refinement befitting a watch of this character. For multi-context use, a Baltic grey NATO represents a versatile and reversible choice.

How do you change the strap on a Formex Pilot 1100.4.3044.213?

Strap replacement is performed using dedicated spring bar extraction tools. Position the tool in the lateral notches alongside the case lugs, apply gentle pressure towards the centre of the case to compress the internal spring, then remove the existing lug. Insert the new strap by seating the lug in the case positions until the spring mechanism engages audibly. The operation requires only seconds and is entirely reversible.

Are there aftermarket straps compatible with the Formex Pilot 1100.4.3044.213?

Yes, the Formex Pilot 1100.4.3044.213 with its 22mm lug width is compatible with any artisanal strap manufactured to this specification. At Milano Straps, you will find a curated selection of options in leather, NATO and rubber, all of which seat immediately without case modification. Compatibility is universal for all models bearing 22mm lugs.

What is the lifespan of a leather strap on a watch like the Formex Pilot 1100.4.3044.213?

The durability of a vegetable-tanned leather strap depends on usage and maintenance practices. A premium vegetable-tanned calf typically endures 2–4 years of daily wear, developing progressive patina that many regard as an asset. Alligator leather, thanks to its structural density, may exceed 5–6 years of service. Regular conditioning with purpose-designed balms and thorough drying significantly extend strap longevity.

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