Side by side

Spinnaker Spence 300vsUnimatic Modello Quattro UT4-U-TI-GMT Ultratool GMT

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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.

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.

At a glance

10 of 29 specs differ
Diameter
Spence 30040mm
Modello Quattro UT4-U-TI-GMT Ultratool GMT40mm
Power Reserve
Spence 300
Modello Quattro UT4-U-TI-GMT Ultratool GMT
Water Resistance
Spence 300300m
Modello Quattro UT4-U-TI-GMT Ultratool GMT300m
MSRP
Spence 300$650
Modello Quattro UT4-U-TI-GMT Ultratool GMT$840

Full specifications

Case

5 specs
Category
Diver
Thickness
11.5mm
0mm
Lug-to-Lug
48mm
0mm
Lug Width
20mm
0mm
Material
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Aquamarine
Black

Movement

2 specs
Caliber
NH35
Ronda 515.24D (quartz GMT)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$650
$840
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