Side by side

Sugess MoonPhase Master S426vsGrand Seiko SBGK007

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

MoonPhase Master S426
SugessMoonPhase Master S426
MSRP $599
SBGK007
Grand SeikoSBGK007
MSRP $7,300

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master S42640mm
SBGK00739mm
Power Reserve
MoonPhase Master S42635h
SBGK00772h
Water Resistance
MoonPhase Master S4265m
SBGK00730m
MSRP
MoonPhase Master S426$599
SBGK007$7,300

Full specifications

Case

8 specs
Category
Chronograph
Dress
Diameter
40mm
39mm
Thickness
10mm
11.6mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
19mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Water Resistance
5m
30m
Caseback
Display
Solid

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

5 specs
Caliber
ST2153
9S63
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
35h
72h
Complications
Moonphase, Date, Power reserve indicator
None

Pricing

1 specs
MSRP
$599
$7,300

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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 S426

Owners widely praise the Sugess MoonPhase Master S426 for its sapphire crystal, well-finished stainless steel case, and the Seagull ST2153 automatic movement, which offers hacking and manual winding. The watch features a real moonphase complication, power reserve indicator, and date function, all for approximately $200. Reviewers highlight the guilloche dial detailing and the ST2155 movement, an ETA clone, noting its true moonphase complication. Overall, owners rate the Sugess MoonPhase Master S426 highly for its impressive complications and finishing at its price point.

Grand Seiko SBGK007

The Grand Seiko SBGK007 is praised for its glorious champagne-to-silver-white sunburst dial and domed sapphire crystal. Owners and reviewers highlight its wonderfully slim profile, attributed to the manual-wind movement, contributing to excellent wearability and a design that subtly evokes vintage pieces. The movement is described as attractive yet workmanlike, with accuracy rated between +5 to -3 seconds per day and a 72-hour power reserve. The watch measures 39mm and 11.6mm thick, and is offered on a high-quality leather strap. On balance, owners and reviewers highly regard the Grand Seiko SBGK007 for its elegant slim case and beautifully textured dial.

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