Side by side

Redux Zero-HourvsMassena LAB Uni-Racer

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

Zero-Hour
ReduxZero-Hour
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

14 of 29 specs differ
Diameter
Zero-Hour39mm
Uni-Racer39mm
Power Reserve
Zero-Hour41h
Uni-Racer58h
Water Resistance
Zero-Hour200m
Uni-Racer50m
MSRP
Zero-Hour
Uni-Racer$3,495

Full specifications

Case

5 specs
Category
Chronograph
Thickness
13.7mm
9mm
Lug-to-Lug
46.6mm
46mm
Material
Titanium
Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
Seiko NH35
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
41h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$3,495

Follow this matchup

Get a note when Redux Zero-Hour vs Massena LAB Uni-Racer gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.