Side by side

Unimatic Modello Quattro UT4-GMT Toolwatch GMT (40mm)vsZelos Nova 37

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Unimatic Modello Quattro UT4-GMT Toolwatch GMT (40mm)

The Unimatic Modello Quattro UT4-GMT Toolwatch GMT earns strong praise for its rugged engineering and practical design. Reviewers highlight its 360° shock-absorption system and MIL-STD-810 certification—all five prototypes survived 26 drop tests from 4 feet onto concrete—alongside the reliable Ronda 515.24D quartz GMT movement. The short, non-curved lugs sit flat on the wrist, though owners with smaller wrists may find this less comfortable; an owner on a 7.5-inch wrist reports it super comfortable and easy to read. At 80.5 grams, it wears only slightly oversized even on a 6.75-inch wrist. One reviewer notes the titanium variant offers lighter weight and larger dial numerals for improved legibility over the stainless steel version, though the titanium crown is less smooth. Overall, the Modello Quattro UT4-GMT is widely valued for its durable, tool-focused engineering and straightforward quartz reliability at its price point.

Zelos Nova 37

Owners widely praise the Zelos Nova 37's spectacular 37mm dimensions and extremely light, thin wearability. The meteorite dial is frequently highlighted as a captivating feature, though some reviewers suggest simpler indices would improve legibility over the Arabic numerals. The watch is considered a considerable value at $1,999. On balance, owners and reviewers rate the Zelos Nova 37 highly for its excellent dimensions and dial execution at the price.

From video reviewers

The wafer-thin case and intricate dial textures are standout features. The quality of the stock leather strap is a shared concern. Reviewers differed on whether the 37mm or 38mm case size was more accurate.

At a glance

12 of 29 specs differ
Diameter
Modello Quattro UT4-GMT Toolwatch GMT (40mm)40mm
Nova 3737mm
Power Reserve
Modello Quattro UT4-GMT Toolwatch GMT (40mm)
Nova 37
Water Resistance
Modello Quattro UT4-GMT Toolwatch GMT (40mm)300m
Nova 3750m
MSRP
Modello Quattro UT4-GMT Toolwatch GMT (40mm)$655
Nova 37$899

Full specifications

Case

7 specs
Category
Dress
Diameter
40mm
37mm
Thickness
0mm
7mm
Lug-to-Lug
0mm
37mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Dial Color
Black
Salmon

Movement

2 specs
Caliber
Ronda 515.24D (quartz GMT)
ETA 7001
Type
Quartz
Manual

Pricing

1 specs
MSRP
$655
$899
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Unimatic Modello Quattro UT4-GMT Toolwatch GMT (40mm) vs Zelos Nova 37 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.