Side by side

Grand Seiko SLGH005vsSugess Tourbillon Master SU8230

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

SLGH005
Grand SeikoSLGH005
MSRP $9,800
Tourbillon Master SU8230
SugessTourbillon Master SU8230
MSRP $1,399

At a glance

14 of 29 specs differ
Diameter
SLGH00540mm
Tourbillon Master SU823041mm
Power Reserve
SLGH00580h
Tourbillon Master SU823040h
Water Resistance
SLGH005100m
Tourbillon Master SU823050m
MSRP
SLGH005$9,800
Tourbillon Master SU8230$1,399

Full specifications

Case

8 specs
Category
Dress
Chronograph
Diameter
40mm
41mm
Thickness
11.7mm
11mm
Lug-to-Lug
47mm
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

4 specs
Caliber
9SA5
Seagull ST8230
Beat Rate
28,800 vph
3 vph
Power Reserve
80h
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 SLGH005

The Grand Seiko SLGH005 is widely praised for its stunning "White Birch" textured dial, exceptional finishing including mirror-polished indexes and Zaratsu polishing, and the innovative Caliber 9SA5 movement. Owners and reviewers consistently highlight the dial's texture and the elaborate, mirror-like indexes. The watch's 40mm stainless steel case is noted for its slender, sporty design and comfortable wearability, with some finding its size well-proportioned and its brushed and polished surfaces practical for hiding scratches. The 9SA5 movement is recognized for its 80-hour power reserve and 36,000 vph hi-beat frequency, though one owner found its finishing less impressive than other movement types in a similar price bracket. Some reviewers consider its price somewhat high relative to alternatives and desire a micro-adjustable bracelet. On balance, owners and reviewers rate the Grand Seiko SLGH005 highly for its exquisite dial and finishing, powered by an advanced high-beat movement.

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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