Side by side

Phoibos Reef MastervsGrand Seiko SBGP015

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

Reef Master
PhoibosReef Master
MSRP $335
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

9 of 29 specs differ
Diameter
Reef Master42mm
SBGP01540mm
Power Reserve
Reef Master40h
SBGP01540h
Water Resistance
Reef Master200m
SBGP015200m
MSRP
Reef Master$335
SBGP015$3,800

Full specifications

Case

4 specs
Diameter
42mm
40mm
Thickness
13mm
12.4mm
Lug-to-Lug
48mm
47.1mm
Lug Width
22mm
20mm

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SII NH38
9F85
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$335
$3,800

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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 SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

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