Side by side

Phoibos Reef MastervsRedux Zero-Hour

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

Reef Master
PhoibosReef Master
MSRP $335
Zero-Hour
ReduxZero-Hour

At a glance

12 of 29 specs differ
Diameter
Reef Master42mm
Zero-Hour39mm
Power Reserve
Reef Master40h
Zero-Hour41h
Water Resistance
Reef Master200m
Zero-Hour200m
MSRP
Reef Master$335
Zero-Hour

Full specifications

Case

6 specs
Category
Diver
Diameter
42mm
39mm
Thickness
13mm
13.7mm
Lug-to-Lug
48mm
46.6mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Green
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SII NH38
Seiko NH35
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$335

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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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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.

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