Side by side

Seiko King Seiko KSKvsHorage Supersede GMT

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000
Supersede GMT
HorageSupersede GMT
MSRP $7,270

At a glance

14 of 29 specs differ
Diameter
King Seiko KSK38.3mm
Supersede GMT39.5mm
Power Reserve
King Seiko KSK72h
Supersede GMT72h
Water Resistance
King Seiko KSK100m
Supersede GMT200m
MSRP
King Seiko KSK$2,000
Supersede GMT$7,270

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
38.3mm
39.5mm
Thickness
11.7mm
9.85mm
Lug-to-Lug
46mm
46.29mm
Lug Width
19mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
No
Lume
LumiBrite on Hands
Super-LumiNova

Movement

4 specs
Caliber
6R55
Horage K2
Power Reserve
72h
72h
Jewels
24
25
Complications
None
GMT

Pricing

1 specs
MSRP
$2,000
$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.

Seiko King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

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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