Side by side

Grand Seiko SLGB005vsHorage Supersede Dual Time

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

SLGB005
Grand SeikoSLGB005
MSRP $11,100
Supersede Dual Time
HorageSupersede Dual Time
MSRP $6,710

At a glance

14 of 29 specs differ
Diameter
SLGB00537mm
Supersede Dual Time39.5mm
Power Reserve
SLGB00572h
Supersede Dual Time72h
Water Resistance
SLGB005100m
Supersede Dual Time200m
MSRP
SLGB005$11,100
Supersede Dual Time$6,710

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
37mm
39.5mm
Thickness
11.4mm
9.85mm
Lug-to-Lug
44.3mm
46.29mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Yes
No
Dial Color
Black
Denim Blue
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
9RB2
Horage K2
Type
Spring Drive
Automatic
Power Reserve
72h
72h
Complications
None
Dual Time

Pricing

1 specs
MSRP
$11,100
$6,710

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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 SLGB005

The Grand Seiko SLGB005 is widely praised for its stunning "Ice Forest" smoked purple dial, inspired by frost-covered trees, and its compact 37mm Ever-Brilliant Steel case. It is powered by the 9RB2 Spring Drive caliber, noted for its exceptional accuracy of ±3 seconds per month or ±20 seconds per year, and offers a 72-hour power reserve. Reviewers consistently highlight the dial's mesmerizing beauty and the case's sculpted design as significant strengths. However, multiple sources express disappointment that the Grand Seiko SLGB005 omits the micro-adjustment clasp found on other models, especially considering its $11,100 price point, though one reviewer found this did not detract from wearability. Overall, reviewers rate the Grand Seiko SLGB005 highly for its visually arresting dial and precise Spring Drive movement, despite the clasp oversight.

From video reviewers

The watch features a ±3 seconds per month accurate Ultra Fine Accuracy Calibre 9RB2 movement. The Ever-Brilliant Steel finish has polishing flaws that detract from the watch's appearance. Reviewers disagree on the movement's accuracy, with one reviewer citing ±3 seconds per month and another ±10 seconds per month.

Horage Supersede Dual Time

The Horage Supersede Dual Time is widely praised for its technically impressive, 98% in-house micro-rotor GMT movement, thin 10mm case, and 39.5mm size, along with excellent finishing and a comfortable bracelet. Owners also note its robust 200m water resistance and 904L steel construction. Some reviewers find the GMT sub-dial illegible, and one owner reported a bezel alignment issue requiring repair, while another flagged the date setting as potentially confusing. The $8,000 price point is considered high by some, though others view it as exceptional value for the movement and build quality. On balance, owners and reviewers rate the Horage Supersede Dual Time highly for its innovative micro-rotor GMT movement and high level of finishing at its price point.

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