Unimatic · Modello Uno

Strap for Modello Uno U1-MOMA-G / MoMA Green

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
ReferenceU1-MOMA-G
FamilyModello Uno
MovementTime Module caliber NH35A hours, minutes, seconds | date
Year2023
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 U1-MOMA-G

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Modello Uno U1-MOMA-G, seen from the bench

The Unimatic Modello Uno U1-MOMA-G is a tool watch developed in collaboration with the MoMA Design Store. The 41.5mm stainless steel case houses a dial with an architectural grid inspired by rationalist Milan buildings. It features the automatic NH35A movement, offering ±10–15 seconds per month accuracy, and is water-resistant to 300 meters. The 22mm lug width accommodates various strap options.

Frequently asked questions

What is the lug width of the Unimatic Modello Uno U1-MOMA-G?

The lug width of the Unimatic Modello Uno U1-MOMA-G is 22mm. This standard width accommodates a broad range of aftermarket straps in leather, rubber, NATO fabric and other materials compatible with the 22mm specification.

What is the best strap for the Unimatic Modello Uno U1-MOMA-G?

For the U1-MOMA-G, we recommend a strap in vegetable-tanned Tuscan leather, dark brown or pure black, which enhances the rationalist design of the dial. Alternatively, a military-grade NATO fabric strap offers practicality and versatility, ideal for those preferring easy changes and functionality.

How do I change the strap on the Unimatic Modello Uno U1-MOMA-G?

To change the strap on the U1-MOMA-G, use a dedicated spring bar tool to remove the spring bars anchoring the strap to the lugs. Position the cross screwdriver in the spring bar slot, apply light downward pressure, extract the bar, remove the old strap and install the new one.

Which aftermarket straps are compatible with the Modello Uno U1-MOMA-G?

All straps with a 22mm lug width are compatible with the Unimatic Modello Uno U1-MOMA-G. This standard width ensures extensive availability: full-grain leather, oiled calf, natural rubber, NATO fabric, shell cordovan and laminated specials. The case architecture permits both classic and sporty pairings.

How long does a leather strap last on the Unimatic Modello Uno U1-MOMA-G?

A high-quality leather strap with vegetable tanning has an average lifespan of 3-5 years with daily wear, varying based on humidity, sun exposure and maintenance. The natural patina that develops enhances aesthetic appeal. Replacement is straightforward: spare spring bars and a few minutes enable swift changes.

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