The Titanium Field Guide

Unimatic Modello Quattro U4S-T-LB

The Unimatic Modello Quattro U4S-T-LB is a current-production field watch with a grade 2 titanium case, finished with sandblasted. At 65 g it sits around the middle for field watches in the guide, and is priced well above the $499 median for the category. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet.

All Unimatic watchesWatch field watchesUnder $3,000MicrobrandLightweightLightest, ranked
Price
$1,660
Material
Titanium
Grade / type
Grade 2
Weight
65 g
Water resistance
300 m
Type
Field
Case diameter
40.0 mm
Origin
Italy
Movement
Automatic
Caliber
Sellita SW200-1
Power reserve
41 h
Complications
Time only
Colour
Grey
Surface treatment
Sandblasted
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Maker states none
Bracelet / strap
Nylon NATO
Crystal
Flat sapphire, internal AR coating
Display back
No
Dial
Grey (sandblasted titanium)
Dial colours
Grey
Lume
Super-LumiNova
Availability
Offered
Status
Current; limited edition of 300
Not published
Reference, Thickness, Lug-to-lug, Hardness, Construction, Matching bracelet
High confidence Verified Jul 2026 Source: Unimatic
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Frequently asked questions

Is the Unimatic Modello Quattro U4S-T-LB nickel-free?

On the maker's published specification, no nickel-bearing steel touches the skin: a grade 2 titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.

What is the case material of the Unimatic Modello Quattro U4S-T-LB?

The Unimatic Modello Quattro U4S-T-LB has a grade 2 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Unimatic Modello Quattro U4S-T-LB?

It is 40.0 mm in diameter, and water resistant to 300 m.

How much does the Unimatic Modello Quattro U4S-T-LB weigh?

About 65 g.

How much does the Unimatic Modello Quattro U4S-T-LB cost, and is it available?

It is current-production and lists from $1,660.

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