Side by side

Unimatic Modello Quattro UT4-U-TI-GMT Ultratool GMTvsWolbrook Skindiver Automatic

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

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

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-U-TI-GMT Ultratool GMT

Owners widely praise the Unimatic Modello Quattro UT4-U-TI-GMT Ultratool GMT for its crisp, modernist Brutalist design and featherlight titanium case, which enhances wearability. Reviewers note that the larger dial numerals improve legibility, making it a better tool watch. However, the titanium case is susceptible to scratches, and the dial's numeral lume is less bright than the hands. The crown unscrews less smoothly than on stainless steel versions, and the dial's tighter spacing sacrifices some breathing room. On balance, owners and reviewers consider the Unimatic Modello Quattro UT4-U-TI-GMT Ultratool GMT a well-executed tool watch, with its lightweight titanium construction and improved legibility being the primary strengths.

Wolbrook Skindiver Automatic

The Wolbrook Skindiver Automatic is widely praised for its attractive vintage aesthetic, comfortable wearability, and legible dial, with many owners highlighting its quality build and value under $500. Owners often commend the Beads of Rice bracelet and tropic strap, the box sapphire crystal, and the overall solid feel that suggests nothing is cheap. Specific praise is given to its lume, which some find lasts well and is great, and its accuracy, with one owner noting exceptional performance. However, some find the finishing merely fine, not exceptional, and note issues with the push-pull crown lacking a positive lock or being noisy. The 20mm strap width and drilled lugs that don't fit all spring bars are also mentioned as potential drawbacks. The Miyota 8315 movement, while preferred over the 8215, is described by one owner as noisy, and the non-transferable warranty policy is a concern for some.

From video reviewers

The vintage-inspired design and comfortable wearability of the 38mm case are consistently praised. However, reviewers note that the bracelet feels light and lacks a premium feel. Opinions are divided on the world timer bezel.

At a glance

11 of 29 specs differ
Diameter
Modello Quattro UT4-U-TI-GMT Ultratool GMT40mm
Skindiver Automatic40mm
Power Reserve
Modello Quattro UT4-U-TI-GMT Ultratool GMT
Skindiver Automatic
Water Resistance
Modello Quattro UT4-U-TI-GMT Ultratool GMT300m
Skindiver Automatic150m
MSRP
Modello Quattro UT4-U-TI-GMT Ultratool GMT$840
Skindiver Automatic$453

Full specifications

Case

6 specs
Category
Diver
Thickness
0mm
13mm
Lug-to-Lug
0mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Dial Color
Black
Green

Movement

2 specs
Caliber
Ronda 515.24D
Miyota 8315
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$840
$453
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-U-TI-GMT Ultratool GMT vs Wolbrook Skindiver Automatic 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.