Strap for Essence Automatic Black / Calf

The lug width of the Formex Essence 0330.1.7321.722 is 22mm. This measurement is the distance between the two horizontal pins located at the extremities of the lugs, where the strap is inserted. It is a precise and non-negotiable dimension: every strap designed for this model must feature 22mm terminations to guarantee compatibility and secure attachment.

For the Essence 0330.1.7321.722 we recommend first and foremost vegetable-tanned Tuscan leather, which with the brushed stainless steel case of 43mm creates natural aesthetic consonance and develops an organic patina over time. For more formal contexts, a superior quality alligator leather. For versatile daily use, a nylon NATO in high density. The choice depends on predominant use: professional, leisure, aquatic sport.

To change the strap on the Formex Essence 0330.1.7321.722, you will need a spring bar tool (a small iron implement with a groove). Insert the tool into the lower notch of the lug, gently compressing the pin until one extremity of the old strap is freed; repeat on the other side. To mount the new 22mm strap, insert the pin into the first extremity and press firmly on the other until it clicks into place. If the operation is uncertain, consult a professional watchmaker.

Yes, any aftermarket strap with 22mm terminations is compatible with the Formex Essence 0330.1.7321.722. Verify that the terminations are perfectly straight and that thickness does not exceed 4-5mm to avoid friction against the lugs. Our Milano Straps catalogue offers a wide selection of 22mm straps in leather, alligator, shell cordovan, NATO and rubber, with compatibility guarantee.

The lifespan of a leather strap depends on use, material quality and maintenance. Superior quality vegetable-tanned Tuscan leather, with daily use and standard maintenance (gentle cleaning, storage away from excessive humidity), guarantees 3-5 years of active life before showing signs of structural wear. Alligator and shell cordovan, being more robust materials, can last 5-7 years. Rotating among multiple straps significantly extends the longevity of each.