Side by side

Sugess MoonPhase Master S389vsGrand Seiko SBGK007

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

MoonPhase Master S389
SugessMoonPhase Master S389
MSRP $599
SBGK007
Grand SeikoSBGK007
MSRP $7,300

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master S38940mm
SBGK00739mm
Power Reserve
MoonPhase Master S38935h
SBGK00772h
Water Resistance
MoonPhase Master S38950m
SBGK00730m
MSRP
MoonPhase Master S389$599
SBGK007$7,300

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
40mm
39mm
Thickness
12mm
11.6mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
19mm
Water Resistance
50m
30m
Caseback
Display
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
2 Salmon
Black
Lume
Tritium
None

Movement

4 specs
Caliber
Seagull ST19
9S63
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
72h
Complications
GMT, Chronograph, Moonphase, Date
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 S389

Owners widely praise the Sugess MoonPhase Master S389 for its beautiful dial and glowing moonphase, with some finding it a stunner that exceeds expectations and a bargain for the price. However, reviewers and owners alike flag rotor noise and thickness as potential drawbacks, and one owner reported receiving a defective unit. Accuracy is reported at -6 seconds per day, and while the dial features applied markers and polished hands, the movement finishing is noted as rough under magnification. Overall, owners rate the Sugess MoonPhase Master S389 highly for its aesthetic appeal and value, despite some concerns regarding rotor noise and build quality consistency.

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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