Side by side

Redux Zero-HourvsGruppo Gamma Field III

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

Zero-Hour
ReduxZero-Hour
Field III
Gruppo GammaField III
MSRP $439

At a glance

11 of 29 specs differ
Diameter
Zero-Hour39mm
Field III40mm
Power Reserve
Zero-Hour41h
Field III41h
Water Resistance
Zero-Hour200m
Field III200m
MSRP
Zero-Hour
Field III$439

Full specifications

Case

6 specs
Category
Field
Diameter
39mm
40mm
Thickness
13.7mm
14mm
Lug-to-Lug
46.6mm
48.5mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko NH35
Seiko Instruments NH38A
Power Reserve
41h
41h

Pricing

1 specs
MSRP
$439

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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 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.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

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