Side by side

Shiro Kara Daibāzu: Hulk SUBvsUnimatic Modello Quattro UC4 Classic Time Only

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

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What people say

Owners + reviewers, side by side

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

Shiro Kara Daibāzu: Hulk SUB

Owners widely praise the Shiro Kara Daibāzu: Hulk SUB for its dial printing, date wheel, and bezel action. One owner confirmed the watch remained waterproof after five days. However, some owners report minor issues such as a slightly off-centered 12 marker or dissatisfaction with bracelet quality, while another felt the crystal was not the best but still looked great. Overall, owners rate the Shiro Kara Daibāzu: Hulk SUB highly for its strong dial and bezel presentation at the price point.

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.

At a glance

9 of 29 specs differ
Diameter
Daibāzu: Hulk SUB40mm
Modello Quattro UC4 Classic Time Only40mm
Power Reserve
Daibāzu: Hulk SUB41h
Modello Quattro UC4 Classic Time Only
Water Resistance
Daibāzu: Hulk SUB100m
Modello Quattro UC4 Classic Time Only300m
MSRP
Daibāzu: Hulk SUB$508
Modello Quattro UC4 Classic Time Only$655

Full specifications

Case

5 specs
Thickness
13.2mm
0mm
Lug-to-Lug
48mm
0mm
Lug Width
20mm
0mm
Material
904L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Matte black

Movement

1 specs
Power Reserve
41h
0h

Pricing

1 specs
MSRP
$508
$655
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