Formex · Essence

Strap for Essence Automatic Chronometer Brown / Calf

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter43 mm
Reference0330.1.6351.722
FamilyEssence
MovementSellita caliber SW200-1 a Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Essence 0330.1.6351.722

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Essence 0330.1.6351.722, seen from the bench

The Formex Essence reference 0330.1.6351.722 is powered by the automatic Sellita SW200-1 caliber with hour, minute, second and date indication. The watch features 22mm lugs for the strap. The movement offers essential functions in a three-hand with date configuration.

Frequently asked questions

What is the exact lug width of the Formex Essence 0330.1.6351.722?

The lug width of the Formex Essence 0330.1.6351.722 is 22mm. This standard measurement allows you to fit a wide selection of artisanal aftermarket straps in leather, fabric or elastomer, whilst maintaining balanced visual proportions relative to the 43mm case.

Which strap type is recommended for the Formex Essence 0330.1.6351.722?

For the 0330.1.6351.722 we recommend vegetable-tanned alligator straps for maximum elegance, aniline calf for softness and aged patina, cotton NATO for functional simplicity, or FKM rubber for humid and marine environments. Choice depends on primary use: formal, daily or extreme.

How do I change the strap on the Formex Essence 0330.1.6351.722?

The process is straightforward: use a spring bar removal tool to gently push the pin from the opposite direction to the opening you wish to adjust. Insert the new strap under the pin and allow it to return to position. Verify the pin is fully seated before wearing the watch.

Can I fit any 22mm strap onto the Formex Essence 0330.1.6351.722?

Technically yes, all straps with 22mm lug width are compatible. However, we recommend evaluating thickness: high-quality vegetable-tanned leather straps (2-3mm) maintain optimal proportions with the case, whereas some budget NATO fabrics may appear visually heavy.

How long does a leather strap last on the Formex Essence 0330.1.6351.722?

A high-quality vegetable-tanned leather strap lasts 2–4 years of intense daily use, up to 6–8 years with rotation and conscious maintenance. The patina that develops is a positive aesthetic characteristic. Elastomer (rubber) lasts 5–7 years. Longevity depends on sun exposure, humidity and cleaning frequency.

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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Casati Milano · Via XX Settembre 15, Milan · by appointment only