Formex · Pilot
Strap for Pilot Quartz Chronograph Black / Calf
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Pilot 1100.1.3020.213
Selected for the 22 mm lug width · workshop selection
Grand Cavalier Military Brown Leather Strap€120
Hammered calfskin strap in cuoio€98
Brown Italian Leather Military Strap€80
Apple Watch Saffiano Leather Strap Blue€105
Black Saffiano Rubber Strap€105
The Pilot 1100.1.3020.213, seen from the bench
Frequently asked questions
What is the lug width of the Formex Pilot 1100.1.3020.213?
The Formex Pilot 1100.1.3020.213 is equipped with a lug width (ansa) of exactly 22mm. This measurement represents the distance between the inner points of each lug, and it is the critical parameter for selecting compatible straps. When purchasing an aftermarket strap, always verify that it is specifically designed for a 22mm lug width to avoid excessive play or impossible installation.
What is the best strap for the Formex Pilot 1100.1.3020.213?
There is no universal answer; the choice depends on your intended use and personal preferences. For a classic aviator aesthetic, a natural or cognac alligator strap underscores the watch's instrumental identity. For a warmer, artisanal character, Italian calf leather in vegetable tanning develops a beautiful patina over time. For pure tactical functionality, a military-grade textile NATO or FKM rubber strap excels in durability and minimal maintenance. Your choice should reflect the role this timepiece plays in your collection.
How do I change the strap on my Formex Pilot 1100.1.3020.213?
Strap replacement is accomplished by removing the spring bars that pass through the lugs. Place the watch on a soft cloth to prevent scratching. Using a dedicated spring bar tool or thin screwdriver, press the pin inward to release one end of the current strap. Repeat on the opposite side. Next, insert the spring bars into your new strap (ensuring it is sized for 22mm lugs) and press until they click firmly into place. Verify that the strap is centred and that both pins are fully secured before wearing the watch again.
Can I fit an aftermarket strap to my Formex Pilot 1100.1.3020.213?
Yes, absolutely. The 22mm lug width is one of the most common international standards, so there is a substantial selection of certified aftermarket straps available for this specification. It is essential to purchase from reputable manufacturers who respect precise tolerances, ensuring a perfect fit with no unwanted movement. Specialised brands offer leather, NATO fabric, and rubber straps specifically designed for 22mm lugs.
How long does a leather strap last on a watch like the Formex Pilot 1100.1.3020.213?
The lifespan of a leather strap depends on material quality, thickness, usage frequency, and climate exposure. A high-quality strap (alligator, vegetable-tanned calf, shell cordovan) with adequate thickness relative to the case diameter—generously supported by the 1100.1.3020.213's 46.50mm—can last 3–5 years with regular rotation and basic care (drying after rain, protection from excessive stress). NATO textile and FKM rubber straps, by contrast, offer superior resistance and require virtually no maintenance, making them ideal for intensive or exploratory use.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
