The Titanium Field Guide

Unimatic Modello Uno U1S-C-GMT-H

Archive · used only

The Unimatic Modello Uno U1S-C-GMT-H was a 40 mm carbon dive watch with an ETA 2893-2 automatic movement. At 40 mm across, no other carbon dive watch in the guide is smaller, out of 23. It is no longer made, so this page is a reference for buying one used.

All Unimatic watchesDiver watchesMicrobrandDisplay backGMT
Material
Carbon
Grade / type
Forged carbon
Water resistance
300 m
Type
Diver
Price
– · No price shown on the maker's archive page
Case diameter
40.0 mm
Origin
Italy
Movement
Automatic (GMT)
Caliber
ETA 2893-2
Power reserve
42 h
Complications
GMT
Colour
Black
Surface treatment
Matte
Finish technology
Natural finish
Caseback
Titanium with exhibition sapphire
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Black TPU two-piece strap with forged carbon hardware
Crystal
Double-domed sapphire, AR
Display back
Yes
Dial
Matte black, engraved 24 h bezel insert
Dial colours
Black
Lume
Super-LumiNova C1 (white)
Availability
No longer offered
Status
Archived by the maker (limited edition of 250, 2023)
Not published
Reference, Thickness, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet
High confidence Verified Oct 2026 Source: Unimatic (maker archive page)
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Unimatic Modello Uno U1S-C-GMT-H made of?

The case is forged carbon. That is confirmed against the maker's specification. The caseback is titanium with exhibition sapphire.

What size is the Unimatic Modello Uno U1S-C-GMT-H?

The case is 40 mm across. It is water resistant to 300 m.

How much does the Unimatic Modello Uno U1S-C-GMT-H cost, and is it available?

It is no longer made, so the only way to buy one is used.

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