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 grey grade 2 case, finished with sandblasted. It measures 40.0 mm across, 65 g, and is water resistant to 300 m. Inside is the Sellita SW200-1 automatic movement, with 41 h power reserve. Complications: Time only. Priced from $1,660 (LE 300). Brand origin: Italy.

Titanium and ceramic field watchesTitaniumUnder $5,000
Reference
–
Type
Field
Price
$1,660 · LE 300
Case diameter
40.0 mm
Thickness
–
Lug-to-lug
–
Water resistance
300 m
Weight
65 g
Origin
Italy
Movement
Automatic
Caliber
Sellita SW200-1
Power reserve
41 h
Complications
Time only
Material
Titanium
Grade / type
Grade 2
Colour
Grey
Hardness
–
Construction
–
Surface treatment
Sandblasted
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Nylon NATO
Matching bracelet
–
Crystal
Flat sapphire, internal AR coating
Display back
No
Dial
California titanium-color sandblasted
Lume
Super-LumiNova
Availability
Offered
Status
Current; limited edition of 300
High confidence Verified Jul 2026 Source: Unimatic Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Unimatic Modello Quattro U4S-T-LB

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Earthen Co.Summit Overcast MK II$89938.0 mm10 mm thickFieldsame category · same style · similar price · similar size
Earthen Co.Summit Blue Bird MK II$89938.0 mm10 mm thickFieldsame category · same style · similar price · similar sizeDuFrane Mabry MkII Titanium 39mmDuFraneMabry MkII Titanium 39mm$99939.0 mm11.4 mm thick48 gFieldsame category · same style · similar price · similar size

More titanium and ceramic 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 grey grade 2 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 grey grade 2 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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