Side by side

Phoibos Reef MastervsRZE Fortitude GMT

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

Reef Master
PhoibosReef Master
MSRP $335
Fortitude GMT
RZEFortitude GMT
MSRP $719

At a glance

12 of 29 specs differ
Diameter
Reef Master42mm
Fortitude GMT41mm
Power Reserve
Reef Master40h
Fortitude GMT40h
Water Resistance
Reef Master200m
Fortitude GMT200m
MSRP
Reef Master$335
Fortitude GMT$719

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
41mm
Thickness
13mm
12mm
Lug-to-Lug
48mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
Grade 5 Titanium

Crystal & Dial

3 specs
AR Coating
Yes
Underside
Dial Color
Green
Red
Lume
Super-LumiNova
Super-LumiNova BGW9

Movement

2 specs
Caliber
SII NH38
Miyota 9075
Complications
None
GMT

Pricing

1 specs
MSRP
$335
$719

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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.

RZE Fortitude GMT

The RZE Fortitude GMT is widely praised for its lightweight titanium construction and durable UltraHex coating, offering exceptional value under $700. Owners and reviewers highlight its comfortable wearability, with a bracelet featuring a quick-adjust clasp and multiple micro-adjustment positions. The Miyota 9075 flyer GMT movement is noted for its accuracy, with one owner reporting -1 to +1 seconds per day, though another source states a range of -10/+30 seconds per day. The watch's design is appreciated for its soul and attention to detail, including a subtle red crown tube indicator and faceted lugs, and its Nimbus Grey dial features a coarse, sandpaper-like texture and fumé effect. A reviewer points out the rotor can be loud and a smaller screwdriver is needed for sizing, while an owner found the GMT hand lume confusing. Overall, owners and reviewers rate the RZE Fortitude GMT highly for its comfortable titanium build, durable coating, and excellent value.

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