Side by side

Grand Seiko SLGA009vsHorage Supersede GMT

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

SLGA009
Grand SeikoSLGA009
MSRP $9,800
Supersede GMT
HorageSupersede GMT
MSRP $7,270

At a glance

12 of 29 specs differ
Diameter
SLGA00940mm
Supersede GMT39.5mm
Power Reserve
SLGA009120h
Supersede GMT72h
Water Resistance
SLGA009100m
Supersede GMT200m
MSRP
SLGA009$9,800
Supersede GMT$7,270

Full specifications

Case

5 specs
Category
Dress
GMT
Diameter
40mm
39.5mm
Thickness
11.8mm
9.85mm
Lug-to-Lug
47.9mm
46.29mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Yes
No
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
9RA2
Horage K2
Type
Spring Drive
Automatic
Power Reserve
120h
72h
Complications
None
GMT

Pricing

1 specs
MSRP
$9,800
$7,270

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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.

Horage Supersede GMT

The Horage Supersede GMT is widely praised for its innovative micro-rotor movement and impressive finishing. Owners and reviewers highlight its value as a true GMT sports watch, noting the compact 39.5mm case and 200m water resistance. The K2 movement offers a 72-hour power reserve, and updates include an optional platinum rotor, a luminous seconds hand tip, and a new micro-adjustable clasp. One potential hesitation for buyers is the inability to see the watch in person. Overall, owners and reviewers rate the Horage Supersede GMT highly for its innovative micro-rotor movement and excellent value.

From video reviewers

The Horage Supersede GMT features a unique case design that blends different styles. A notable strength is its in-house K2 micro-rotor movement. One weakness is the relatively average lume brightness.

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