Technical Archive

Zenith
Chronomaster Original 16.3202.3600/33.M3200— lug 20mm

Zenith Chronomaster Original 16.3202.3600/33.M3200: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomaster Original Pink / Susan G Komen® Breast Cancer Organization

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Zenith 16.3202.3600/33.M3200
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

16.3202.3600/33.M3200

Movement

Zenith caliber El Primero 3600 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel

The Heritage

The Zenith Chronomaster Original features the automatic El Primero 3600 caliber with chronograph and column-wheel function. The movement offers indication of hours, minutes, small seconds and date. The reference 16.3202.3600/33.M3200 represents a contemporary version of the brand's Chronomaster line.

FAQ

What lug width does the Zenith Chronomaster Original 16.3202.3600/33.M3200 have?

The Zenith Chronomaster Original 16.3202.3600/33.M3200 is fitted with a 20mm lug width, measured as the distance between the outer pins of the spring bar. This dimension is specific to this model and is compatible with the entire 20mm strap collection from Milano Straps.

What is the best strap for the Zenith Chronomaster Original?

There is no universal choice—it depends on usage: alligator or calf leather offer formal elegance befitting the watch's 1969 heritage; military NATO provides durability and everyday versatility; FKM rubber is ideal for water activities. The 38mm stainless steel case pairs excellently with all these materials.

How do you change the strap on a watch with a 20mm lug width?

Replace the strap by removing the spring bar pins using a dedicated tool (spring bar tool). Position the tool in the pin's groove, apply slight pressure, and pull outward. Repeat for both sides. Insert the new strap's pins in the same manner, ensuring they click firmly into place with an audible snap.

Can I use aftermarket straps compatible with the Zenith Chronomaster Original?

Yes. All aftermarket straps with a 20mm lug width are compatible with the Zenith Chronomaster Original 16.3202.3600/33.M3200. Always verify that the spring bar pins align perfectly with the strap's lugs to avoid gaps between the lug width and case lugs.

How long does a leather strap last on a sports watch?

A quality artisanal alligator or calf leather strap, such as those from Casati Milano, typically lasts 3-5 years under moderate daily use. Exposure to moisture, perspiration, and extreme temperatures can shorten this lifespan. The 18-month warranty covers manufacturing defects; proper care—applying protective balm 2-3 times per year—significantly extends longevity.

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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By appointment only · Milan

The atelier's website: casatimilano.com