Side by side

Phoibos Wave Master GMTvsGrand Seiko SBGW257

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

Wave Master GMT
PhoibosWave Master GMT
MSRP $399
SBGW257
Grand SeikoSBGW257
MSRP $38,000

At a glance

12 of 29 specs differ
Diameter
Wave Master GMT39.5mm
SBGW25738mm
Power Reserve
Wave Master GMT40h
SBGW25772h
Water Resistance
Wave Master GMT200m
SBGW25730m
MSRP
Wave Master GMT$399
SBGW257$38,000

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
39.5mm
38mm
Thickness
12.7mm
10.9mm
Lug-to-Lug
46mm
45.8mm
Lug Width
20mm
19mm
Material
Stainless Steel
Platinum
Water Resistance
200m
30m

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
SII NH34
9S64
Type
Automatic
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$399
$38,000

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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 SBGW257

The Grand Seiko SBGW257 is a platinum dress watch praised for its refined, subtle luxury and classic design. Reviewers highlight its 38mm diameter and 10.9mm thickness as near-perfect sizing for a dress watch. The watch features an 18k white gold dial with a sunray-brushed silver finish and gold hour markers, complemented by a refined application of the Grand Seiko wordmark. It is powered by the manual-wind Caliber 9S64 movement, offering a 72-hour power reserve and an accuracy rating of +5 to -3 seconds per day. The Grand Seiko SBGW257 is priced at €39,000. On balance, reviewers appreciate the Grand Seiko SBGW257 for its exquisite finishing and classic proportions, embodying a quiet luxury.

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