Side by side

Aigi Watches ARCTIC GMTvsSeiko Prospex Sea

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

ARCTIC GMT
Aigi WatchesARCTIC GMT
MSRP $560
Prospex Sea
SeikoProspex Sea
MSRP $595
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Aigi Watches ARCTIC GMT

The Aigi Watches ARCTIC GMT is widely seen as an excellent value at $250, featuring a Seiko NH34 automatic movement, a box sapphire crystal, and a lumed sapphire bezel. Owners appreciate its semi-original design among NH34 GMTs and its sporty look, especially with the included rubber strap, and are drawn to supporting an emerging brand. Overall, owners rate the Aigi Watches ARCTIC GMT highly for its strong value proposition and appealing design.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

10 of 29 specs differ
Diameter
ARCTIC GMT41mm
Prospex Sea41.7mm
Power Reserve
ARCTIC GMT41h
Prospex Sea41h
Water Resistance
ARCTIC GMT200m
Prospex Sea200m
MSRP
ARCTIC GMT$560
Prospex Sea$595

Full specifications

Case

4 specs
Category
Diver
Diameter
41mm
41.7mm
Thickness
11.95mm
12.3mm
Lug-to-Lug
46mm
49.5mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
white
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

2 specs
Caliber
Seiko NH34
Seiko 4R35
Jewels
25
23

Pricing

1 specs
MSRP
$560
$595
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