Side by side

Sugess MoonPhase Master S437vsGrand Seiko SBGH281

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

MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549
SBGH281
Grand SeikoSBGH281
MSRP $6,300

At a glance

14 of 29 specs differ
Diameter
MoonPhase Master S43740mm
SBGH28140mm
Power Reserve
MoonPhase Master S43748h
SBGH28155h
Water Resistance
MoonPhase Master S43750m
SBGH281100m
MSRP
MoonPhase Master S437$549
SBGH281$6,300

Full specifications

Case

7 specs
Category
Chronograph
Dress
Thickness
13.5mm
13.3mm
Lug-to-Lug
47.8mm
46.2mm
Lug Width
22mm
19mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
X1
None

Movement

3 specs
Caliber
ST2528
9S85
Power Reserve
48h
55h
Complications
Moonphase, Date
None

Pricing

1 specs
MSRP
$549
$6,300

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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.

Sugess MoonPhase Master S437

Owners widely praise the Sugess MoonPhase Master S437 for its striking dial, often described as deep blue or aventurine, and its value, with prices around $171-$175. The Seagull ST1908 movement is noted as accurate, with one owner reporting +3 seconds over 18 hours and another +7 seconds daily, and its hand-winding action is smooth. However, the watch's thickness, potentially over 13mm, is a concern for some as a dress watch, and the long lugs may pose a fit issue on smaller wrists. A potential design flaw in the moonphase window, showing two phases simultaneously, is flagged as a deal-breaker by some. The included leather straps are considered stiff and uncomfortable, and the domed sapphire crystal lacks AR coating, leading to reflections. On balance, owners rate the Sugess MoonPhase Master S437 highly for its stunning dial and value, despite some fit and finishing concerns.

Grand Seiko SBGH281

The Grand Seiko SBGH281 is lauded for its 44GS-style case, which exemplifies the brand's "Grammar of Design" with its sharp facets and broad case band, and its Hi-Beat 36000vph Caliber 9S85 movement, noted for an ultra-smooth second hand. Reviewers highlight the exceptional finishing, including Zaratsu polishing and hand-polished markers, as offering significant value at its €6,200 price point. The watch features an accuracy rating of +5/–3 seconds per day, a 55-hour power reserve, and 100-meter water resistance, all executed to Grand Seiko's high standards, and is limited to 1,500 pieces. Overall, reviewers rate the Grand Seiko SBGH281 highly for its iconic case design and superb finishing at its price.

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