Side by side

Seiko Prospex SeavsHorage Supersede GMT

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

Prospex Sea
SeikoProspex Sea
MSRP $1,500
Supersede GMT
HorageSupersede GMT
MSRP $7,270

At a glance

12 of 29 specs differ
Diameter
Prospex Sea43.5mm
Supersede GMT39.5mm
Power Reserve
Prospex Sea70h
Supersede GMT72h
Water Resistance
Prospex Sea200m
Supersede GMT200m
MSRP
Prospex Sea$1,500
Supersede GMT$7,270

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
43.5mm
39.5mm
Thickness
13.3mm
9.85mm
Lug-to-Lug
51mm
46.29mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
No
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

4 specs
Caliber
6R35
Horage K2
Power Reserve
70h
72h
Jewels
24
25
Complications
None
GMT

Pricing

1 specs
MSRP
$1,500
$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 Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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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