Zenith
Pilot 03.4000.3652/51.I003— lug 20mm
Zenith Pilot 03.4000.3652/51.I003: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Zenith 03.4000.3652/51.I003The essential strap measurement.
Browse 20mm straps →03.4000.3652/51.I003
Zenith caliber El Primero 3652 Hours, Minutes, Small Seconds | Big Date | Chronograph, Column wheel, Flyback
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Pilot
FAQ
What is the lug width of the Zenith Pilot 03.4000.3652/51.I003?
The lug width of the Zenith Pilot 03.4000.3652/51.I003 is exactly 20mm. This width is a historical aviation standard and ensures balanced proportions with the 42.50mm case. To verify the measurement, remove the strap and measure the distance between the two lugs with a caliper.
Which strap should I choose for the Zenith Pilot 03.4000.3652/51.I003?
The Zenith Pilot 03.4000.3652/51.I003 pairs beautifully with alligator or crocodile for formal elegance, cognac or chocolate aniline calf for refined daily wear, and NATO in grey-blue nylon or cordura for sporty contexts. Your choice depends on intended use and complements the grey-blue dial well with warm or military tones.
How do I change the strap on the Zenith Pilot 03.4000.3652/51.I003?
Obtain two spring bar tools: teflon or soft plastic bars to avoid scratching. Insert a bar into one of the lug holes to gently push the spring bar outward, remove the old strap, insert the new one by aligning the holes, and reinsert the spring bar with the same care. Avoid hammers and metal tools that damage the case's brushed finish.
Can I use an aftermarket 20mm strap on the Zenith Pilot 03.4000.3652/51.I003?
Yes, the Zenith Pilot 03.4000.3652/51.I003 accepts any quality strap with a 20mm lug width. Our handcrafted straps at Milano Straps are available in 20mm, customizable in leather, sizes, initials, and thread color, with an 18-month warranty and personalized support through the Casati Milano atelier.
How long does a leather strap last on the Zenith Pilot 03.4000.3652/51.I003?
A quality natural leather strap (alligator, crocodile, aniline calf) typically lasts 3-5 years with daily use, developing an appealing patina over time. Wear increases if the strap is exposed to constant moisture without drying. Milano Straps handcrafted straps are built to last over 10 years with basic 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 →By appointment only · Milan
The atelier's website: casatimilano.com