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 among the heavier field watches in the guide, and is priced well above the $550 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium field watchesUnder $3,000MicrobrandLightweightLightest, ranked
Price
$1,660
Titanium
Grade 2
Weight
65 g
Water resistance
300 m
Nickel-free
Yes
Type
Field
Case diameter
40.0 mm
Origin
Italy
Movement
Automatic
Caliber
Sellita SW200-1
Power reserve
41 h
Complications
Time only
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
Sandblasted
Caseback
Titanium
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, Titanium bracelet Help verify
High confidence Verified Jul 2026 Source: Unimatic Maker / listing ↗
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Frequently asked questions

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

Yes. Nothing nickel-bearing touches the skin: a Grade 2 titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What grade of titanium is 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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