Unimatic Modello Quattro Ultratool UT4-U-TI

The Unimatic Modello Quattro Ultratool UT4-U-TI was a 40 mm Grade 2 titanium field watch with a Hattori VH31A quartz movement. Rated to 300 m, no other titanium field watch in the guide goes deeper, out of 138. It is no longer made, so this page is a reference for buying one used.

5 official photos · reader photos welcome

Price

$700

Material

Titanium

Grade / type

Grade 2

Weight

51 g (head only)

Water resistance

300 m

Type

Field

Case diameter

40.0 mm

Thickness

12.3 mm

Lug-to-lug

49 mm

Origin

Italy

Movement

Quartz

Caliber

Hattori VH31A

Complications

Time only

Colour

Grey

Surface treatment

Sandblasted

Finish technology

Natural finish

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Bracelet / strap

Three-layer nylon strap

Crystal

Flat sapphire, inner AR coating

Display back

No

Dial

Matte black, printed Arabic numerals, orange accents

Dial colours

Black

Lume

Super-LumiNova GL C1

Availability

No longer offered

Status

Archived by the maker (limited edition of 99, sold out)

Not published

Reference, Power reserve, Hardness, Construction, Caseback, Matching bracelet

High confidence Verified Jul 2026 Source: Unimatic / Watchespedia

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