Side by side

Grand Seiko SBGY007vsSugess Tourbillon Master SU8230

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

SBGY007
Grand SeikoSBGY007
MSRP $8,900
Tourbillon Master SU8230
SugessTourbillon Master SU8230
MSRP $1,399

At a glance

15 of 29 specs differ
Diameter
SBGY00738.5mm
Tourbillon Master SU823041mm
Power Reserve
SBGY00772h
Tourbillon Master SU823040h
Water Resistance
SBGY00730m
Tourbillon Master SU823050m
MSRP
SBGY007$8,900
Tourbillon Master SU8230$1,399

Full specifications

Case

8 specs
Category
Dress
Chronograph
Diameter
38.5mm
41mm
Thickness
10.2mm
11mm
Lug-to-Lug
43.7mm
46mm
Lug Width
19mm
11mm
Material
Stainless Steel
Yellow Gold/Rose Gold/Bronze
Water Resistance
30m
50m
Caseback
Solid
Display

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

5 specs
Caliber
9R31
Seagull ST8230
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
72h
40h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$8,900
$1,399

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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.

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.

Sugess Tourbillon Master SU8230

Owners widely praise the Sugess Tourbillon Master for its stunning enamel dial and impressive finishing at its price point. Accuracy figures vary, with one owner reporting -12s/day and another +6 to +11s/day. Caveats include a cumbersome winding crown, limited 50m water resistance, a 21mm lug width, and a non-hacking movement, with one owner noting a power reserve around two days and noticeable resistance when winding. On balance, owners rate the Sugess Tourbillon Master highly for its visually striking dial and finishing, which significantly elevates its perceived value.

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