Formex · Essence

Strap for Essence Automatic Blue / 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
Reference0330.1.7331.744
FamilyEssence
MovementETA caliber 2824-2 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 0330.1.7331.744

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Essence 0330.1.7331.744, seen from the bench

The Formex Essence reference 0330.1.7331.744 features the automatic ETA 2824-2 calibre with hours, minutes, seconds and date functions. The watch has 22mm lugs for the strap. The ETA 2824-2 movement offers a power reserve of approximately 38 hours.

Frequently asked questions

What is the lug width of the Formex Essence 0330.1.7331.744?

The lug width of the Formex Essence 0330.1.7331.744 is 22mm. This dimension represents the optimal balance between a 43mm diameter case and wrist comfort. The 22mm width allows appropriate light passage beneath the case without ergonomic compromise and ensures compatibility with the broadest range of contemporary aftermarket straps.

What is the best strap for the Formex Essence 0330.1.7331.744?

The Formex Essence 0330.1.7331.744 expresses its character best with straps emphasising functional authenticity and material integrity. A natural alligator crocodile in dark brown or a Tuscan calf leather tanned vegetally represent the primary choices, as they dialogue with the case's engineering logic. Heavy cotton NATO straps and vulcanised rubber complement the options for specific use cases. We recommend avoiding straps with excessive decoration or high-gloss synthetic materials.

How do I change the strap on my Formex Essence 0330.1.7331.744?

Removing the strap requires: 1) Obtaining a pin removal tool or small flathead screwdriver; 2) Positioning the watch on a stable surface with the upper lug facing you; 3) Gently pushing the pin from right to left until it emerges from its seat; 4) Completely extracting the pin and repeating for the second pin; 5) Applying new pins to the replacement strap and inserting them in reverse. Avoid excessive force on the case during operation.

Which aftermarket straps are compatible with the Formex Essence 0330.1.7331.744?

All straps with 22mm lug width are compatible with the Formex Essence 0330.1.7331.744, provided pin diameters (standard 1.8mm) correspond. Our 22mm strap collection comprises vegetally-tanned leather, genuine alligator, vegetable-tanned calf, NATO and technical rubber. We recommend verifying total strap length before ordering, as the distance between lug and buckle must cover your wrist with sufficient adjustment margins.

How long does a leather strap last on a watch like the Formex Essence 0330.1.7331.744?

Leather strap durability depends on usage frequency, moisture exposure and material quality. A quality Italian vegetally-tanned calf, with appropriate maintenance (drying after water contact, periodic conditioning cream application), guarantees 3-5 years of daily wear before visible ageing signs. Vegetable-tanned calf, lighter but more aesthetically versatile, has slightly shorter timescales. Alligator, thanks to greater structural density, exceeds 7-10 years of useful life. NATO and rubber straps, free from degradable organic components, have indefinite durability limited only by physical damage.

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