Side by side

Phoibos Reef MastervsGrand Seiko SBGM245

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

Reef Master
PhoibosReef Master
MSRP $335
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

10 of 29 specs differ
Diameter
Reef Master42mm
SBGM24540.5mm
Power Reserve
Reef Master40h
SBGM24572h
Water Resistance
Reef Master200m
SBGM245200m
MSRP
Reef Master$335
SBGM245$6,100

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
42mm
40.5mm
Thickness
13mm
14.4mm
Lug-to-Lug
48mm
48.6mm
Lug Width
22mm
20mm

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SII NH38
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$335
$6,100

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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.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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