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TWCO · Pilot

Strap for Air Controller

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

Lug width

22mm
22 mm strapsAll TWCO
Lug width22 mm
Case diameter44 mm
ReferenceAC
FamilyPilot
MovementMiyota caliber 9015 hours, minutes, seconds | date
Year2016
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Pilot AC

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Pilot AC, seen from the bench

The TWCO Pilot AC is a modern evolution of the military aviator watch, featuring a 44mm stainless steel 316L case designed for instrumental flight without unnecessary features. The high-contrast dial, Arabic numerals, and baton hands work with the Miyota caliber 9015 movement—offering hours, minutes, seconds, and date function—to deliver functional precision. The 22mm lug width follows the historical proportion established when pilot watches grew from 38–40mm to 42–44mm cases, maintaining visual balance on the wrist.

Frequently asked questions

What is the lug width of the TWCO Pilot AC?

The TWCO Pilot AC has a lug width of 22mm, a historic standard for pilot watches. This measurement refers to the distance between the two axes of the spring bars that attach the strap to the case.

Which strap is best suited for the TWCO Pilot AC?

For the Pilot AC we recommend alligator or Italian calf leather for a refined look, NATO in regenerated cotton for tactical versatility, or FKM rubber for humid or aquatic environments. Your choice depends on intended use and context.

How do I change the strap on my TWCO Pilot AC?

The TWCO Pilot AC uses standard 22mm spring bars. Use a spring bar tool to gently push the bars inward from the bottom of the case, remove the strap, align the new strap and release the spring bars. Proceed carefully to avoid scratching the case.

Which 22mm straps are compatible with the TWCO Pilot AC?

All straps with 22mm lug width are compatible with the Pilot AC. Available in leather, NATO, elastic, rubber and other materials. Always verify that the spring bars are correctly seated in the strap holes to prevent lateral movement.

How long does a leather strap last on the TWCO Pilot AC?

A quality artisanal leather strap typically lasts 3-5 years with moderate daily wear. Longevity depends on tanning method, exposure to moisture and perspiration, and maintenance. Vegetable-tanned leather tends to last longer than chemical tanning, developing character over time.

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