Side by side

Aigi Watches ARCTIC GMTvsSeiko Prospex Sea Save the Ocean Special Edition

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

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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.

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 Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its visually striking and unique dial designs, often described as a standout feature offering significant aesthetic appeal for the price. Owners and reviewers consistently highlight the attractive blue gradients, wave patterns, and textured finishes that evoke ocean depths. The watch is generally considered comfortable to wear, with a well-proportioned case size and good build quality. Accuracy is reported as around +5 seconds per day by one owner. However, several sources point to the bracelet and clasp as a weak point, with criticisms including pin-and-collar construction, stamped clasps, and a lack of a convenient diver's extension. Some reviewers also note potential issues with bezel alignment and day/date wheel alignment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its exceptional dial design and overall value.

At a glance

11 of 29 specs differ
Diameter
ARCTIC GMT41mm
Prospex Sea Save the Ocean Special Edition42.4mm
Power Reserve
ARCTIC GMT41h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
ARCTIC GMT200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
ARCTIC GMT$560
Prospex Sea Save the Ocean Special Edition$550

Full specifications

Case

5 specs
Category
Diver
Diameter
41mm
42.4mm
Thickness
11.95mm
13.4mm
Lug-to-Lug
46mm
49.4mm
Lug Width
0mm
20mm

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH34
Seiko 4R36
Jewels
0
24

Pricing

1 specs
MSRP
$560
$550
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