Hamilton Khaki Navy Scuba QuartzvsUnimatic Modello Quattro UT4-TW Collab Time Only

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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.

Khaki Navy Scuba Quartz

Modello Quattro UT4-TW Collab Time Only
Diameter
37mm
40mm
Thickness
10.8mm
n/a
Water Resistance
100m
300m
highest
MSRP
$825
$595
lowest
Movement
Hamilton F06.105
Seiko VH31
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Hamilton Khaki Navy Scuba Quartz is a 37mm dive watch with a matte green dial, aluminum bezel insert, and 100m water resistance, powered by a quartz movement with an extended battery life. Owners note its value proposition can be debated, particularly concerning price differences across regions, though one owner found it a great deal. On balance, the Hamilton Khaki Navy Scuba Quartz is seen as a decent value proposition, especially when acquired at a favorable price point.
The Unimatic Modello Quattro UT4-TW Collab Time Only is praised for its robust, MIL-STD-810 certified build and minimalist design, with one owner appreciating its simple and clean aesthetic after initial reservations. However, one owner disliked the TPU strap and experienced a recurring rotor issue requiring a lengthy and poor customer service experience for repair. The watch features a 40mm sandblasted steel case, which may sit flat on smaller or round wrists due to less downward lug curvature. Overall, owners and reviewers rate the Unimatic Modello Quattro UT4-TW Collab Time Only highly for its rugged build and clean design.
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