Side by side

Phoibos Wave Master GMTvsGrand Seiko SBGX359

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

Wave Master GMT
PhoibosWave Master GMT
MSRP $399
SBGX359
Grand SeikoSBGX359

At a glance

10 of 29 specs differ
Diameter
Wave Master GMT39.5mm
SBGX35933mm
Power Reserve
Wave Master GMT40h
SBGX35940h
Water Resistance
Wave Master GMT200m
SBGX359100m
MSRP
Wave Master GMT$399
SBGX359

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
39.5mm
33mm
Thickness
12.7mm
9.1mm
Lug-to-Lug
46mm
39.7mm
Lug Width
20mm
15mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SII NH34
9F51
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399

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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 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 SBGX359

The Grand Seiko SBGX359 is lauded for its technically advanced 9F51 quartz movement, enabling a compact 33mm x 9.1mm stainless steel case and offering ±10 seconds per year accuracy. Reviewers highlight the refined finishing of its Snowflake dial and 100 meters of water resistance. However, it comes with a US$3,200 price tag, representing a $500 increase over prior 9F models. Overall, reviewers praise the Grand Seiko SBGX359 for its compact dimensions and precise quartz movement at the specified price point.

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