40mmQuartz

Modello Quattro UT4-GMT
Toolwatch - Bracelet Premium Set

710€ Tax & duties included

Made-in-Italy quartz GMT dive watch

360° protection system, MIL-STD-810H certified*

Sandblasted quick-release bracelet & black two-piece quick-release nylon strap included

Ref. UWK-UT4-GMT-UBR
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Estimated shipping within 2/4 business days.

You may return the product within 14 days.

24 months warranty.

Description Discover more

The Modello Quattro Toolwatch UT4-GMT is a Made-in-Italy quartz GMT military watch with a matte black dial featuring printed Arabic numerals, GMT and date windows, Super-LumiNova® C1 lume markers, white second rail, and international orange dial trims. Time is indicated with phantom ladder hands and a black reverse lollipop seconds hand with orange tip.

Protected by a flat anti-reflective sapphire crystal, the watch ensures optimal visibility in all lighting conditions. The sandblasted 316L stainless steel case and premium gaskets provide individually tested 300m (30 ATM ≈ 1000ft) water resistance.
Timing accuracy is guaranteed by the Swiss Made Ronda 515.24D quartz movement with GMT and date functions, fitted with a Made-in-Italy TPU anti-shock system.

NOW UPGRADED: The UT4-GMT now comes as a premium set. It includes the black two-piece nylon strap, a sandblasted quick-release stainless steel bracelet and a heavy-duty tough case.

Featuring a 360° X-ray caseback engraving and a 24-month worldwide warranty, it is built for collectors and adventurers alike.

*The Modello Uno UT4 has been tested to meet MIL-STD-810 military environmental standards.

Movement

Quartz Swiss Made Ronda 515.24D

Date & GMT function

Hacking second hand

Accuracy -1/+20s/month

≈45 months power reserve

Case

Diameter 40mm

Fixed monoblock bezel

316 stainless steel case sandblasted finish

Alchemical Sun 8mm screw-down crown

Dial

Black matte dial with printed arabic numerals

GMT window h12

Date window h6

Super-LumiNova® C1

White open second rail

International orange dial trims

Durability & Protection

300m ≈ 1000ft ≈ 30atm WR Individually tested

2.8mm thick flat sapphire

Inner side anti-reflective coating

360° protection system

Design

UNIMATIC 360° X-ray caseback

Individually numbered in yearly batches

Military specification design

What's included

Sandblasted stainless steel bracelet

EXTRA Black two-piece quick-release nylon strap

UNIMATIC tough case, warranty card with unique ID seal

uwk-ut1 editorial 1

Individually

numbered serie

40mm

case diameter

MIL-STD-810H

tested

360°

PROTECTION SYSTEM

300m

water resistant

High accuracy

quartz Swiss Made Ronda movement

Sandblasted

Stainless steel finish

24 Months

worldwide warranty

The UT4-GMT Ultimate Edition
Shock resistant
Travel-ready GMT & date
Custom variable font

The UT4-GMT Ultimate Edition

One definitive timepiece, two interchangeable identities.
This special set brings together the Modello Uno UT4-GMT, the sandblasted bracelet, and the black two-piece quick-release nylon strap.
Transition your look instantly with the quick-release system for uncompromised, all-in-one versatility.

Elevate your wrist game.

Shock resistant

The 360° protection system is designed in-house and made in Italy to the highest standards. It is realised in a special blend of thermoplastic polyurethane (TPU) material. Its custom construction, composed of a 360° protection shell that perfectly holds the movement and a dial top protective ring, allows the watch to withstand extreme environmental stress while still keeping it super light.

Travel-ready GMT & date

The GMT and date complications make your toolwatch more than just a tool, but a true travel companion. Whether you’re crossing time zones or just navigating a packed day, these features add a layer of ease and versatility that fits any journey.

Custom variable font

The variable font system is a custom-designed watch typeface that can be finely tuned for optimal legibility, weight, and dial production techniques, offering endless variations in numeral thickness and width.

FAQ Frequently Asked Questions

Why do you call it the UNIMATIC Toolwatch?

The UNIMATIC Toolwatch collection is built around our proprietary 360° Protection System, engineered to maximize durability and reliability in demanding conditions; The collection features exclusively quartz-powered watches; The system combines a TPU protective gasket positioned above the dial with a TPU movement holder. Together, these components absorb shocks and protect the movement and hands from impacts, helping the watch remain fully functional after drops, knocks, and vibrations. To validate its performance, the entire protection system has been independently tested and certified to MIL-STD-810H, the U.S. military standard for evaluating the durability and ruggedness of technical equipment.

Are UNIMATIC watches truly professional diver tools?

Yes. Every diver is water resistant to 300m, individually pressure-tested, and built around a screw-down caseback and crown with a mono-directional safety bezel, fully rated for professional diving.

Why is every UNIMATIC watch individually numbered?

Each piece is produced in a strictly limited edition and numbered by hand on the caseback, guaranteeing its authenticity and its place within the series.

How durable are UNIMATIC watches for daily wear?

The 316L stainless steel case, double-domed sapphire crystal with anti-reflective coating and 360° protection system are engineered to take daily knocks in stride, from the desk to the water.

What kind of lume is used for low-light visibility?

Hands and indices are treated (unless stated) with Super-LumiNova® colours picked to match the design details, delivering a strong, long-lasting glow for clear legibility in low-light and underwater conditions. It is not radioactive and requires exposure to light (natural or artificial) to charge.

Are UNIMATIC watches water resistant?

All UNIMATIC cases are engineered to provide exceptional water resistance. Every UNIMATIC watch is individually tested to ensure a minimum water resistance of 300m (30 ATM), while selected on case modello 1 featuring our enhanced case construction are tested to withstand 600m (60 ATM). Before exposing your watch to water, always make sure the crown and, where applicable, the pushers are fully screwed down and securely tightened. Never operate the crown or pushers while the watch is underwater. After use in seawater, rinse the watch thoroughly with fresh water and dry it completely.Please refer to your specific model's technical specifications to confirm its certified water resistance rating.

What is a reference number?

A reference number is an alphanumeric code associated with each watch model (e.g., U1S-T-MP). You can find the reference number in the documents provided at the time of purchase, such as the International Warranty certificate, or on the case-back of your watch.

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Modello Quattro UT4-GMT
Toolwatch - Bracelet Premium Set