The Wristwatch Field Guide

Unimatic Modello Quattro U4S-T-SPW (UNIMATIC x Massena LAB)

The Unimatic Modello Quattro U4S-T-SPW (UNIMATIC x Massena LAB) is a current-production field watch with a grade 2 titanium case, finished with cerakote h140 white over sandblasted titanium. It 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
$2,900
Material
Titanium
Grade / type
Grade 2
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
Cerakote H140 white over sandblasted titanium
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Nylon + TPU strap
Crystal
Flat sapphire, AR coated
Display back
No
Dial
Meteorite (Widmanstatten pattern)
Dial colours
Meteorite
Lume
Super-LumiNova BGW9
Availability
Offered
Status
Limited edition of 60, out of stock
Not published
Reference, Thickness, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet
High confidence Verified Aug 2026 Source: Unimatic
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More exotic-material watches from Unimatic

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Frequently asked questions

Is the Unimatic Modello Quattro U4S-T-SPW (UNIMATIC x Massena LAB) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grade 2 titanium case with a titanium caseback, plus a non-steel crown and strap. 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-SPW (UNIMATIC x Massena LAB)?

The Unimatic Modello Quattro U4S-T-SPW (UNIMATIC x Massena LAB) 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-SPW (UNIMATIC x Massena LAB)?

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

How much does the Unimatic Modello Quattro U4S-T-SPW (UNIMATIC x Massena LAB) cost, and is it available?

It is current-production and lists from $2,900.

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