Unimatic · Modello Uno

Strap for Modello Uno U1S-T-MP Titanium / Blue

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

Lug width22 mm
Case diameter42 mm
ReferenceU1S-T-MP
FamilyModello Uno
MovementSellita caliber SW200-1 b hours, minutes, seconds
Year2022
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 Modello Uno U1S-T-MP

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Modello Uno U1S-T-MP, seen from the bench

The Unimatic Modello Uno features the Sellita SW200-1 calibre with hours, minutes and seconds indication. The watch has 22mm lugs and essential daily functionality. The automatic mechanics guarantee precision and reliability over time.

Frequently asked questions

What is the lug width of the Unimatic Modello Uno U1S-T-MP?

The lug width of the Unimatic Modello Uno U1S-T-MP is 22mm. This measurement, taken between the inner walls of the lugs, is essential for selecting the correct strap. Always measure with a ruler placed between the two internal attachment points of the case to verify compatibility.

What is the best strap for the Unimatic Modello Uno U1S-T-MP?

The best strap depends on your usage. For minimalist elegance, we recommend vegetable-tanned leather in dark brown or grey alligator. For daily practicality, an anthracite-grey NATO or FKM rubber strap offers superior functionality and reduced maintenance. The satin-finished stainless steel case pairs naturally with any material without compromise.

How do I change the strap on the Modello Uno U1S-T-MP?

Obtain a spring bar tool (available in replacement kits). Place the watch on a flat surface, insert the tool into the small hole beneath one lug, press gently downward to release the internal spring, then remove the old strap. Repeat on the other side. Install the new strap by aligning the buckle or strap holes with the spring bars and pressing until they click into position. Verify the strap is secure before wearing the watch.

Is the strap of the Modello Uno U1S-T-MP compatible with other 22mm watches?

Yes, absolutely. Any strap with a 22mm lug width is compatible with the Modello Uno U1S-T-MP and vice versa. However, consider aesthetic proportions: a strap designed for different diameters may appear visually awkward on the 41.50mm case. Milano Straps offers curated selections specifically designed for watches of this calibre.

How long does a leather strap last on the Modello Uno U1S-T-MP?

A quality leather strap, made from vegetable-tanned leather, typically lasts 3-5 years of daily wear. Longevity depends on maintenance, climate, frequency of wear, and buckle durability. A NATO or FKM rubber strap offers superior lifespan (7-10 years) but less aesthetic versatility. Milano Straps recommends rotating between multiple straps to extend each one's lifespan.

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.

Request an appointment →

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