Side by side

Redux Zero-HourvsGrand Seiko SLGW007

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

Zero-Hour
ReduxZero-Hour
SLGW007
Grand SeikoSLGW007
MSRP $10,000

At a glance

11 of 29 specs differ
Diameter
Zero-Hour39mm
SLGW00738.6mm
Power Reserve
Zero-Hour41h
SLGW00780h
Water Resistance
Zero-Hour200m
SLGW00730m
MSRP
Zero-Hour
SLGW007$10,000

Full specifications

Case

6 specs
Category
Dress
Diameter
39mm
38.6mm
Thickness
13.7mm
9.95mm
Lug-to-Lug
46.6mm
45mm
Material
Titanium
Stainless Steel
Water Resistance
200m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Seiko NH35
9SA4
Type
Automatic
Manual
Power Reserve
41h
80h

Pricing

1 specs
MSRP
$10,000

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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.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

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