Grand Seiko SBGP015vsUnimatic Modello Quattro UT4-AA
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
SBGP015
Modello Quattro UT4-AA
Diameter
40mm
40mm
Lug-to-Lug
47.1mm
n/a
Thickness
12.4mm
2.8mm
lowest
Water Resistance
200m
300m
highest
MSRP
$3,800
$610
lowest
Movement
Grand Seiko 9F85
Seiko VH31
Case
4 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Grand Seiko SBGP015 for its exceptional dial print, which casts sharp shadows under light, and its versatility, classiness, and substantial feel. The Grand Seiko 9F85 quartz movement is noted for excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is 40mm with 200m water resistance. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and reliable quartz movement.
The high accuracy of the Caliber 9F85 quartz movement is a significant strength. Reviewers noted the movement's ±10 seconds per year accuracy. The limited 100-meter water resistance was cited as a potential drawback.
The Unimatic Modello Quattro UT4-AA is praised for its rugged, no-nonsense tool watch aesthetic and its execution, with reviewers noting its familiar yet fresh design and military character enhanced by a fixed bezel and brushed finish. Owners appreciate its simple, brutalist design as a standout piece, though one owner initially found Unimatic's design overly minimalist with excessive empty dial space. The watch features a sandblasted gunmetal-coated finish and a Brinzio Green dial, with a slimmer 12.05mm case achieved with a Seiko VH31 quartz movement, making it a stylish, very wearable, and affordable option. Some owners find the strap stiff and difficult to tighten, expecting it to break in. The lugs' lack of downward curvature may cause it to sit flat on smaller or rounder wrists. Overall, owners and reviewers rate the Unimatic Modello Quattro UT4-AA highly for its rugged tool watch aesthetic and wearable, affordable quartz execution.
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