Side by side

Dryden Chrono Diver Gen 2vsUnimatic Modello Quattro UT4-GMT Toolwatch GMT (40mm)

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.

Dryden Chrono Diver Gen 2

Owners widely praise the Dryden Chrono Diver Gen 2 for its exceptional value and comfortable wearability, with particular appreciation for its refined PVD finish. The watch features a Seiko VK63 Meca-Quartz movement, improved lume, and solid bezel action, all housed in a 42mm case with recessed pushers and 100m water resistance. Some owners note the 49mm lug-to-lug may be large for smaller wrists. On balance, owners rate the Dryden Chrono Diver Gen 2 highly for its amazing value and comfortable wearability.

Unimatic Modello Quattro UT4-GMT Toolwatch GMT (40mm)

The Unimatic Modello Quattro UT4-GMT Toolwatch GMT earns strong praise for its rugged engineering and practical design. Reviewers highlight its 360° shock-absorption system and MIL-STD-810 certification—all five prototypes survived 26 drop tests from 4 feet onto concrete—alongside the reliable Ronda 515.24D quartz GMT movement. The short, non-curved lugs sit flat on the wrist, though owners with smaller wrists may find this less comfortable; an owner on a 7.5-inch wrist reports it super comfortable and easy to read. At 80.5 grams, it wears only slightly oversized even on a 6.75-inch wrist. One reviewer notes the titanium variant offers lighter weight and larger dial numerals for improved legibility over the stainless steel version, though the titanium crown is less smooth. Overall, the Modello Quattro UT4-GMT is widely valued for its durable, tool-focused engineering and straightforward quartz reliability at its price point.

At a glance

11 of 29 specs differ
Diameter
Chrono Diver Gen 242mm
Modello Quattro UT4-GMT Toolwatch GMT (40mm)40mm
Power Reserve
Chrono Diver Gen 2
Modello Quattro UT4-GMT Toolwatch GMT (40mm)
Water Resistance
Chrono Diver Gen 2101m
Modello Quattro UT4-GMT Toolwatch GMT (40mm)300m
MSRP
Chrono Diver Gen 2$450
Modello Quattro UT4-GMT Toolwatch GMT (40mm)$655

Full specifications

Case

7 specs
Category
Chronograph
Diameter
42mm
40mm
Thickness
13.5mm
0mm
Lug-to-Lug
49mm
0mm
Lug Width
22mm
0mm
Material
316L Stainless Steel
Water Resistance
101m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Dial Color
PVD Vintage
Black

Movement

1 specs
Caliber
Ronda 515.24D (quartz GMT)

Pricing

1 specs
MSRP
$450
$655
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