Strap for El Primero A385 Revival Stainless Steel / Brown / Strap

The lug width of the Zenith Revival 03.A384.400/385.C855 is 20 millimetres. This measurement is faithful to the original proportions of the 1960s El Primero and is compatible with all standard straps produced for classic chronographs. To verify the correct measurement, locate the two horizontal pins protruding from the case and measure the distance between them: you will obtain exactly 20 mm.

The best strap depends on your lifestyle and intended use. For formal occasions and everyday wear, we recommend an alligator in saddle brown tone or an aged shell cordovan: the regular texture of the reptile and the natural patina of cordovan emphasise the vintage character of the chronograph. For a more versatile approach, a calf leather with vegetable tanning in brown or cognac offers artisanal authenticity. In sporting contexts, an anthracite grey NATO preserves the original functionality.

Changing the strap is a straightforward operation requiring a specific tool: a spring bar tool. Position the chronograph with one hand, grasp the spring bar tool with the other, locate the small lateral hole on the lug where the internal spring rests, and gently push it inward to release the pin. Once the pin is extracted, the old strap comes free and you can thread the new one by passing the pin through its slots. Remember to fully tighten the pin until you hear the repositioning click.

Absolutely. The Zenith Revival 03.A384.400/385.C855 accommodates any strap with a 20mm lug width, regardless of brand. Artisanal quality aftermarket straps (made from alligator, cordovan, or vegetable-tanned calf) are not only compatible but often further enhance the chronograph through careful material selection and finishing. Consult specialised manufacturers who guarantee stainless steel pins and impeccable stitching.

The lifespan of a leather strap depends on the material and use. A quality artisanal alligator or shell cordovan lasts an average of 3–5 years with moderate daily use, developing a prized patina over time. Vegetable-tanned calf tends to wear more quickly (2–3 years) if frequently exposed to sun and humidity, though this ageing is part of the aesthetic charm. A polyester NATO lasts 4–6 years. To extend strap life, avoid prolonged water immersion and occasionally apply a protective balm specifically formulated for vegetable-tanned leather.