Side by side

Praesidus DD-45vsUnimatic Modello Uno UT1 Toolwatch Diver (41.5mm)

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.

Praesidus DD-45

The Praesidus DD-45 is lauded for its detailed vintage-inspired design and solid finishing, with reviewers highlighting the impressive aged indices and hands on the "Patina" version and a well-finished 38mm steel case. Its 100-meter water resistance exceeds that of the original military watches, and the included leather strap is praised for its quality and vintage character, despite initial stiffness. One reviewer notes the Landeron movement exhibits jerky hand-winding. Overall, reviewers rate the Praesidus DD-45 highly for its faithful vintage aesthetic and robust build at its $900 price point.

Unimatic Modello Uno UT1 Toolwatch Diver (41.5mm)

Owners and reviewers praise the Unimatic Modello Uno UT1 Toolwatch Diver (41.5mm) for its personality-driven tool-watch dial, featuring Arabic numerals and minimal lume, and its grippy bezel and crown that are a joy to interact with. The sandblasted steel case is noted for its durability and refinement, with one source stating the 41.5mm case wears larger due to 22mm straps. The Seiko VH31 mechaquartz movement provides a sweeping second hand and accuracy of ±10–15 seconds per month, offering up to three years of battery life. The ice-blue dial's minimal contrast with luminous indexes is an aesthetic choice rather than a practical issue. On balance, owners and reviewers highly regard the Unimatic Modello Uno UT1 Toolwatch Diver (41.5mm) for its excellent value and worry-free summer diver functionality.

At a glance

11 of 29 specs differ
Diameter
DD-4540mm
Modello Uno UT1 Toolwatch Diver (41.5mm)41.5mm
Power Reserve
DD-45
Modello Uno UT1 Toolwatch Diver (41.5mm)
Water Resistance
DD-45100m
Modello Uno UT1 Toolwatch Diver (41.5mm)300m
MSRP
DD-45$299
Modello Uno UT1 Toolwatch Diver (41.5mm)$620

Full specifications

Case

7 specs
Category
Field
Diameter
40mm
41.5mm
Thickness
0mm
Lug-to-Lug
46.5mm
0mm
Lug Width
20mm
0mm
Material
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Dial Color
OG
Black

Movement

1 specs
Caliber
Seiko VH31 (quartz)

Pricing

1 specs
MSRP
$299
$620
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