Side by side

Redux Zero-HourvsSartory Billard SB05

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

Zero-Hour
ReduxZero-Hour

At a glance

10 of 29 specs differ
Diameter
Zero-Hour39mm
SB0538.5mm
Power Reserve
Zero-Hour41h
SB0590h
Water Resistance
Zero-Hour200m
SB0550m
MSRP
Zero-Hour
SB05

Full specifications

Case

6 specs
Category
Dress
Diameter
39mm
38.5mm
Thickness
13.7mm
8.5mm
Lug-to-Lug
46.6mm
45.5mm
Material
Titanium
Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Black
Sapphire

Movement

3 specs
Caliber
Seiko NH35
LJP Cal. 7380
Type
Automatic
Manual
Power Reserve
41h
90h

Follow this matchup

Get a note when Redux Zero-Hour vs Sartory Billard SB05 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 Zero Hour 39MM for its robust, utilitarian design inspired by pilot and dive tools, its lightweight Grade 5 titanium construction, and its comfortable wearability. The proprietary RDXB1 lume is noted for its bright initial glow, though it fades quickly. The Seiko NH53A or NH35 movement is generally considered reliable. However, multiple owners report a flimsy or fragile crown stem, and some describe the unidirectional bezel as having play or being able to rotate clockwise by one minute, though one owner reported a tight bezel with no play. The 39mm case size is considered good by some, while others find it small for larger wrists or note it looks large, with some desiring a 42mm option. One owner found the titanium finish looked slightly cheap and wished for a bezel insert. The dial is described by one owner as too busy for easy reading without glasses. The Redux Courg Zero Hour 39MM is available for $300, down from an original price of $507.

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

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.