Side by side

Praesidus DD-45vsMassena LAB Uni-Racer

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

DD-45
PraesidusDD-45
MSRP $299
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

15 of 29 specs differ
Diameter
DD-4540mm
Uni-Racer39mm
Power Reserve
DD-4540h
Uni-Racer58h
Water Resistance
DD-45100m
Uni-Racer50m
MSRP
DD-45$299
Uni-Racer$3,495

Full specifications

Case

6 specs
Category
Field
Chronograph
Diameter
40mm
39mm
Thickness
9mm
Lug-to-Lug
46.5mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Inner
No
Dial Color
OG
White

Movement

4 specs
Caliber
Ameriquartz USA
SW510 BH M Elaboré
Type
Quartz
Manual
Power Reserve
40h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$299
$3,495

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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.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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