Side by side

Grand Seiko SLGA009vsSugess Tourbillon Master SU8230

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
Tourbillon Master SU8230
SugessTourbillon Master SU8230
MSRP $1,399

At a glance

15 of 29 specs differ
Diameter
SLGA00940mm
Tourbillon Master SU823041mm
Power Reserve
SLGA009120h
Tourbillon Master SU823040h
Water Resistance
SLGA009100m
Tourbillon Master SU823050m
MSRP
SLGA009$9,800
Tourbillon Master SU8230$1,399

Full specifications

Case

8 specs
Category
Dress
Chronograph
Diameter
40mm
41mm
Thickness
11.8mm
11mm
Lug-to-Lug
47.9mm
46mm
Lug Width
22mm
11mm
Material
Stainless Steel
Yellow Gold/Rose Gold/Bronze
Water Resistance
100m
50m
Caseback
Solid
Display

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

5 specs
Caliber
9RA2
Seagull ST8230
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
120h
40h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$9,800
$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 SLGA009

The Grand Seiko SLGA009 "White Birch II" is praised for its Spring Drive Caliber 9RA2 movement, offering exceptional accuracy of ±0.5 seconds per day and a 120-hour power reserve. Reviewers highlight its refined dial texture, inspired by Shinshu forests, and the Series 9 design with a frost-finished movement. The watch features a 40mm stainless steel case and a power reserve indicator on the movement bridge. However, its price of $8,600 to $9,100 USD is noted as relatively expensive, reflecting Grand Seiko's increasing price points. Overall, reviewers consider the Grand Seiko SLGA009 a highly refined timepiece, with its advanced Spring Drive movement and aesthetic improvements being key strengths.

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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