Side by side

Sugess MoonPhase Master S426vsGrand Seiko SBGY007

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

MoonPhase Master S426
SugessMoonPhase Master S426
MSRP $599
SBGY007
Grand SeikoSBGY007
MSRP $8,900

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master S42640mm
SBGY00738.5mm
Power Reserve
MoonPhase Master S42635h
SBGY00772h
Water Resistance
MoonPhase Master S4265m
SBGY00730m
MSRP
MoonPhase Master S426$599
SBGY007$8,900

Full specifications

Case

8 specs
Category
Chronograph
Dress
Diameter
40mm
38.5mm
Thickness
10mm
10.2mm
Lug-to-Lug
46mm
43.7mm
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
9R31
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
35h
72h
Complications
Moonphase, Date, Power reserve indicator
None

Pricing

1 specs
MSRP
$599
$8,900

Follow this matchup

Get a note when Sugess MoonPhase Master S426 vs Grand Seiko SBGY007 gets more votes, a community discussion, or a price drop. No account needed.

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 SBGY007

Grand Seiko SBGY007 owners and reviewers widely praise its stunning, textured blue dial, inspired by frozen Lake Suwa, and its clean, time-only aesthetic. The watch is lauded for its impeccable finishing, including high polish and Zaratsu polishing, and its classic, thin 38.5mm stainless steel dress case. The hand-wound Spring Drive Caliber 9R31 movement is noted for its accuracy, rated to ±1 second per day, and a 72-hour power reserve, with its power reserve indicator discreetly placed on the case back. While some reviewers suggest room for improvement in Grand Seiko's pricing structure, the $8,300 USD price is seen by others as a relatively affordable entry into the brand's high-end offerings. On balance, the consensus is that the Grand Seiko SBGY007 is highly regarded for its exceptional dial artistry and refined finishing at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.