Side by side

Redux Zero-HourvsSternglas Tachymeter

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

Zero-Hour
ReduxZero-Hour
Tachymeter
SternglasTachymeter
MSRP $312

At a glance

12 of 29 specs differ
Diameter
Zero-Hour39mm
Tachymeter42mm
Power Reserve
Zero-Hour41h
Tachymeter
Water Resistance
Zero-Hour200m
Tachymeter50m
MSRP
Zero-Hour
Tachymeter$312

Full specifications

Case

6 specs
Category
Chronograph
Diameter
39mm
42mm
Thickness
13.7mm
10mm
Lug-to-Lug
46.6mm
50mm
Material
Titanium
Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Black

Movement

4 specs
Caliber
Seiko NH35
Miyota 0S20
Type
Automatic
Quartz
Power Reserve
41h
Jewels
25

Pricing

1 specs
MSRP
$312

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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.

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.

Sternglas Tachymeter

The Sternglas Tachymeter is praised for its sporty chronograph design and wrist presence, offering character without being an overt tool watch. Reviewers note it as an improvement over its predecessor, featuring an upscale design with a colored aluminum bezel insert and more colorful dial options. It utilizes the Seiko VK63 meca-quartz movement, is accurate to ±20 seconds per month, and boasts a three-year battery life, all at a competitive price of €389. The Sternglas Tachymeter is considered good value for its design, functionality, and small-brand cachet, offering a charming youthfulness. One reviewer noted that the "orange" on one model appeared yellow, and suggested a tachymeter scale extending to 200 instead of 500 would be more useful. Overall, owners and reviewers rate the Sternglas Tachymeter highly for its value and appealing, youthful chronograph design.

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