Side by side

Unimatic Modello Quattro UC4 Classic Time OnlyvsVaer D5 Tropic Auto

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 UC4 Classic Time Only

The Unimatic Modello Quattro UC4 Classic Time Only features a robust 40mm black DLC case, 13.7mm to 13.9mm thick, with drilled lugs and a fixed steel bezel that balances beefiness with wearability. Reviewers note improved crown action and refinement over earlier models, with a flat sapphire crystal. Its sandwich dial reveals Super-LumiNova BG W9 beneath cut-out indexes, paired with a Seiko NH35A automatic movement. While the movement is considered robust and reliable, one reviewer expressed a preference for a Sellita caliber given the watch's heft. On balance, reviewers find the Unimatic Modello Quattro UC4 Classic Time Only to be a well-refined and wearable tool watch with a distinct military character.

Vaer D5 Tropic Auto

Owners widely praise the Vaer D5 Tropic Auto for its excellent value, vintage aesthetic, and comfortable 39mm size that wears larger. Specific highlights include the bezel's satisfying click action and subtle shine, beautifully finished lugs that pair well with a jubilee bracelet, and a dynamic black and cream dial with a unique date feature. The incorporation of brushed steel, quick-release spring bars for easy strap changes, and good timekeeping are also frequently mentioned positives. The Vaer D5 Tropic Auto is considered good value with excellent water resistance, making it a great daily wear, and its fit and finish are often compared favorably to brands like Hamilton and Tissot. On balance, owners rate the Vaer D5 Tropic Auto highly for its blend of vintage styling, practical features, and strong value proposition.

From video reviewers

The dial design is a standout feature. The Miyota automatic movement is also noted.

At a glance

11 of 29 specs differ
Diameter
Modello Quattro UC4 Classic Time Only40mm
D5 Tropic Auto39mm
Power Reserve
Modello Quattro UC4 Classic Time Only
D5 Tropic Auto
Water Resistance
Modello Quattro UC4 Classic Time Only300m
D5 Tropic Auto200m
MSRP
Modello Quattro UC4 Classic Time Only$655
D5 Tropic Auto$699

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
39mm
Thickness
0mm
12.5mm
Lug-to-Lug
0mm
46mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Matte black
Black

Movement

1 specs
Caliber
Seiko NH35
Miyota 9015

Pricing

1 specs
MSRP
$655
$699
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