Archimede · Pilot
Strap for Pilot 42 H Stainless Steel / Black
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Pilot UA7929-A7.1
Selected for the 20 mm lug width · workshop selection
Dark Brown Calfskin Military Strap€80
Black Barenia Strap 20mm€115
Single Pass Strap Pink — Hammered Calf€80
Vintage Black Calfskin Leather Strap€80
Red Suede Strap with Stitching — Milano Straps€90
The Pilot UA7929-A7.1, seen from the bench
Frequently asked questions
What is the lug width of the Archimede Pilot UA7929-A7.1?
The Archimede Pilot UA7929-A7.1 features a 20mm lug width. This measurement represents the distance between the lower lugs of the case and is the essential parameter for selecting compatible aftermarket straps. Measurement is performed by positioning a digital calliper perpendicular to the movement, in the seat where the original strap rests.
What is the best strap to pair with the Archimede Pilot UA7929-A7.1?
There is no universal choice, as it depends on intended use and personal aesthetics. For formal elegance, we recommend alligator or shell cordovan in vegetable tanning, which will evolve over time developing a natural patina. For daily versatility, a NATO in grey or beige military-grade canvas maintains the flieger's aeronautical character. For technical or outdoor applications, militarspec black FKM rubber represents the most robust and practical solution.
How do you change the strap on an Archimede Pilot?
The UA7929-A7.1 uses standard spring bar attachments. The procedure involves: 1) Obtain a spring bar removal tool; 2) Position the watch on a soft surface; 3) Gently insert the removal tool into the bar slot, applying light downward pressure until it retracts; 4) Extract the bar; 5) Repeat for the second lug; 6) Insert the bars into the new strap's holes and reposition them into the case attachments. Avoid sudden movements to prevent case damage.
Can I use a strap from a different brand on this Archimede model?
Absolutely. The Archimede Pilot UA7929-A7.1 with a 20mm lug width is compatible with any quality strap featuring the same spring bar attachments. Specialist brands such as Hirsch, Seiko, Tropic, and artisan manufacturers offer excellent 20mm solutions. The important thing is to verify that the strap is actually 20mm wide (not 19 or 21mm) and that the chosen materials do not degrade the overall aesthetics of the flieger.
How long does a natural leather strap last on a daily-wear watch like the UA7929-A7.1?
A vegetable-tanned strap (alligator, calf, shell cordovan) subjected to daily wear maintains structural integrity for 3-5 years, depending on intensity of use and care. Natural leather ages elegantly, developing longitudinal creasing and colour variations that many enthusiasts consider aesthetically desirable (patina). To extend its lifespan, we recommend occasional applications of balm specifically designed for unvarnished leather. NATO or rubber straps guarantee superior durability, up to 7-10 years with minimal maintenance.
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
