Formex · Pilot

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

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
Reference1100.4.3064.980
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 1100.4.3064.980

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Pilot 1100.4.3064.980, seen from the bench

The Formex Pilot 1100.4.3064.980 is a Swiss quartz chronograph featuring a 46.50 mm case diameter and a dual construction in titanium and stainless steel. It houses a Ronda caliber 5040.D Swiss quartz movement with hours, minutes, small seconds subdial, date, and chronograph function. The watch accommodates 22 mm lug width straps, a specific measurement reflecting the case geometry and mounting system.

Frequently asked questions

What is the exact lug width of the Formex Pilot 1100.4.3064.980?

The lug width of the Formex Pilot 1100.4.3064.980 is 22 millimetres. This measurement is specific to this model and is not interchangeable with standard formats such as 20mm or 24mm. To verify compatibility, measure the distance between the two attachment points of the case using a digital calliper. The strap must be precisely calibrated to 22mm to ensure secure and aesthetic fitment.

Which strap do you recommend for the Formex Pilot 1100.4.3064.980?

For the Formex Pilot 1100.4.3064.980, we recommend an alligator strap with vegetable tanning, which harmonises naturally with the technical character of the case. Elegant alternative: vegetable-tanned calf leather in neutral tones. For intensive use and outdoor activities: NATO strap in cordura. For authentic aviation use: FKM rubber strap in satin finish. All available in 22mm size in our dedicated collection.

How do you change the strap on the Formex Pilot 1100.4.3064.980?

To change the strap: 1) Remove the watch from your wrist. 2) Position the watch with the case facing upwards on a soft cloth. 3) Use a spring bar removal tool to gently compress the spring bar (the small internal spring at the lug). 4) Carefully extract the lug from the case. 5) Insert the new 22mm strap, aligning the holes with the spring bar. 6) Compress the spring bar and snap the lug into position. Avoid forcing: if the lug does not enter smoothly, verify the exact size.

Which aftermarket straps are compatible with the 1100.4.3064.980?

Any strap with a 22mm lug width is compatible with the Formex Pilot 1100.4.3064.980, regardless of brand. However, we recommend straps specifically sized for large watches (46.50mm) to ensure correct visual proportions. The most suitable materials are alligator, vegetable-tanned calf, NATO cordura and FKM rubber. Always verify that the lug is marked '22mm' before purchase. On milanostraps.it you will find a curated selection of 22mm straps suitable for this model.

How long does a leather strap last on the Formex Pilot 1100.4.3064.980?

The durability of a leather strap depends on the quality of the leather and intensity of use. An alligator strap with vegetable tanning, worn daily, maintains structural and aesthetic integrity for 3-4 years before requiring replacement. A vegetable-tanned calf strap typically lasts 2-3 years with moderate use. The patina that develops is desirable: it does not indicate wear, but natural ageing. To extend durability: avoid prolonged wetting, apply protective balm every 6-8 months and rotate with alternative straps to reduce continuous exposure.

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