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 $625
Supersede GMT
HorageSupersede GMT
MSRP $7,270

At a glance

11 of 29 specs differ
Diameter
Prospex Sea43.8mm
Supersede GMT39.5mm
Power Reserve
Prospex Sea41h
Supersede GMT72h
Water Resistance
Prospex Sea200m
Supersede GMT200m
MSRP
Prospex Sea$625
Supersede GMT$7,270

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
43.8mm
39.5mm
Thickness
12.8mm
9.85mm
Lug-to-Lug
48.7mm
46.29mm

Crystal & Dial

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

Movement

4 specs
Caliber
4R35
Horage K2
Power Reserve
41h
72h
Jewels
23
25
Complications
None
GMT

Pricing

1 specs
MSRP
$625
$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

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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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