Side by side

Praesidus DD-45vsUnimatic Modello Uno UT1-BSTN Collab Diver

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.

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-BSTN Collab Diver

The Unimatic Modello Uno UT1-BSTN Collab Diver is widely praised for its robust, tool-watch design and utilitarian features, including MIL-STD-810H shock resistance and individually pressure-tested cases. Reviewers highlight the sandblasted 41.5mm steel case with its masculine, monolithic feel and bold lugs, as well as the legible dial. The Seiko VH31 mecaquartz movement provides quartz accuracy with a sweeping seconds hand, and the watch boasts 300m water resistance. One reviewer notes a lack of contrast between the luminous indexes and the dial, and another points out the crystal's lack of AR-coating as a hint at its price point. Overall, reviewers rate the Unimatic Modello Uno UT1-BSTN Collab Diver highly for its rugged build and practical, entry-level tool watch appeal.

At a glance

11 of 29 specs differ
Diameter
DD-4540mm
Modello Uno UT1-BSTN Collab Diver41.5mm
Power Reserve
DD-45
Modello Uno UT1-BSTN Collab Diver
Water Resistance
DD-45100m
Modello Uno UT1-BSTN Collab Diver300m
MSRP
DD-45$299
Modello Uno UT1-BSTN Collab Diver$680

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

Pricing

1 specs
MSRP
$299
$680
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