Formex · Pilot

Strap for Pilot Quartz Chronograph PVD / Black - Orange / Bracelet

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
Reference1100.4.3064.110
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 1100.4.3064.110

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Pilot 1100.4.3064.110, seen from the bench

The Formex Pilot 1100.4.3064.110 is a 46.50mm titanium and stainless steel aviation chronograph featuring a Swiss Ronda 5040.D quartz movement with hour, minute, small seconds, date, and chronograph function. Designed for professional pilots requiring reliability without compromise, this model combines minimalist cockpit aesthetics with robust structure and features 22mm lugs. The dual-material case construction ensures longevity exceeding 15 years of intensive daily use.

Frequently asked questions

What is the lug width of the Formex Pilot 1100.4.3064.110?

The lug width of the Formex Pilot 1100.4.3064.110 is 22mm. This dimension is measured orthogonally between the two metal lugs of the case. To verify compatibility with a new strap, use a digital calliper positioned perpendicularly at the case shoulder in correspondence with the lugs: the reading must settle around 22.00±0.15mm to ensure precise fit without lateral play.

Which strap is most suitable for the Formex Pilot 1100.4.3064.110?

For the Formex Pilot 1100.4.3064.110 we recommend three options based on usage: 1) Dark brown alligator for robust elegance with structural integrity lasting years; 2) Tuscan leather with vegetable tanning for those desiring a natural patina that deepens over time; 3) Vulcanised butyl rubber if the watch is used in humid environments or professional aviation, where grip and dimensional stability are critical. All 22mm straps on Milano Straps are compatibility-tested with this reference.

How do I change the strap on my Formex Pilot 1100.4.3064.110?

The Formex Pilot 1100.4.3064.110 features substantial 22mm lugs requiring methodical strap changing: 1) Position the watch on a stable, flat surface; 2) Use a spring bar tool with bifurcated tip inserted between the metal lug and the strap; 3) Gently compress the internal spring until the attachment retracts; 4) Remove the old strap and insert the new one using the same mechanism, verifying the spring clicks into place. Never force: a crisp click indicates correct positioning.

Can I use an aftermarket strap with my Formex Pilot 1100.4.3064.110?

Absolutely. Any strap with 22mm lug width is compatible with the Formex Pilot 1100.4.3064.110, provided it is made from robust materials (alligator, calf, cordura, vulcanised rubber). It is essential to verify that the actual width conforms to 22.00mm±0.15mm: larger variance would cause lateral play or installation difficulty. Quality aftermarket straps preserve the watch's value if crafted with vegetable-tanned leather or dimensionally stable rubbers.

How long does a leather strap last on the Formex Pilot 1100.4.3064.110?

Leather strap longevity depends on material and usage: quality alligator lasts 5–7 years of moderate daily wear (not frequently exposed to fresh/salt water); Tuscan leather with vegetable tanning lasts 4–5 years before edge wear becomes visible; Italian calf 3–4 years. Vulcanised butyl rubber exceeds 10 years maintaining dimensional stability even in humid environments. Preventative replacement is recommended every 5 years of intensive use to ensure structural reliability, especially if the watch is worn during frequent flights or professional aviation activities.

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