Side by side

Phoibos Wave Master GMTvsGrand Seiko SBGA375

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

Wave Master GMT
PhoibosWave Master GMT
MSRP $399
SBGA375
Grand SeikoSBGA375
MSRP $5,600
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Phoibos Wave Master GMT

The Phoibos Wave Master GMT is widely praised for its attractive design, comfortable 20mm tapering bracelet, and wearability on a 7" wrist, with owners finding it a strong value proposition at $220. Some minor finishing flaws, such as slightly crooked markers and off-center dial numbers, are noted by one owner, while accuracy averages around 5-10 seconds over two weeks. Overall, owners rate the Phoibos Wave Master GMT highly for its distinctive design and comfortable wearability at its price point.

From video reviewers

The Wave Master GMT's notable feature is its 200M water resistance. A drawback is the rattle of the bracelet. Reviewers disagree on the watch's value, with one reviewer noting its significant weight for a 39.5mm case diameter, but the other reviewer doesn't mention any specific weaknesses or trade-offs.

Grand Seiko SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

At a glance

11 of 29 specs differ
Diameter
Wave Master GMT39.5mm
SBGA37540mm
Power Reserve
Wave Master GMT40h
SBGA37572h
Water Resistance
Wave Master GMT200m
SBGA375100m
MSRP
Wave Master GMT$399
SBGA375$5,600

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
39.5mm
40mm
Thickness
12.7mm
12.5mm
Lug-to-Lug
46mm
46.2mm
Lug Width
20mm
19mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
SII NH34
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$399
$5,600
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