The Wristwatch 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 $599 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Unimatic watchesExotic-material field watchesTitaniumUnder $5,000
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
Caseback
Titanium
Nickel-free
Yes
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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Alternatives to the Unimatic Modello Quattro U4S-T-LB

WeissStandard Issue Field Watch 38mm Titanium$1,79538.0 mm9.2 mm thickFieldsame category · same style · similar price · similar sizeArtefkt Versa XC Baseline OneArtefktVersa XC Baseline One$1,65036.0 mm10.5 mm thickFieldsame category · same style · similar price · same movementHamilton Khaki Field Titanium Auto 38HamiltonKhaki Field Titanium Auto 38$89538.0 mm11.68 mm thick64 gFieldsame category · same style · similar price · similar sizeEarthen Co. Summit Whiteout MK IIEarthen Co.Summit Whiteout MK II$89938.0 mm10 mm thickFieldsame category · same style · similar price · similar sizeEarthen Co. Summit Overcast MK IIEarthen Co.Summit Overcast MK II$89938.0 mm10 mm thickFieldsame category · same style · similar price · similar sizeEarthen Co. Summit Blue Bird MK IIEarthen Co.Summit Blue Bird MK II$89938.0 mm10 mm thickFieldsame category · same style · similar price · similar size

More exotic-material watches from Unimatic

Unimatic Modello Uno U1S-T-MPUnimaticModello Uno U1S-T-MP$1,17841.5 mm11.25 mm thick62 gDiverUnimatic Modello Due U2S-T-MPUnimaticModello Due U2S-T-MP$89938.0 mm58 gFieldUnimatic Modello Uno U1S-T-PD6-B ProDiverUnimaticModello Uno U1S-T-PD6-B ProDiver$1,90041.5 mm14.4 mm thick63 gDiverUnimatic Modello Uno U1S-TGMTUnimaticModello Uno U1S-TGMT$1,94940.0 mm57 gDiverUnimatic Modello Uno U1S-T-SE (x Sease)UnimaticModello Uno U1S-T-SE (x Sease)–41.5 mm62 gDiverUnimatic Modello Due U2S-T-WUnimaticModello Due U2S-T-W$1,39238.0 mmField

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 Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

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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