Side by side

Aigi Watches ARCTIC GMTvsSeiko King Turtle

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 King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

From video reviewers

The King Turtle's ceramic bezel and sapphire crystal are significant upgrades. Reviewers noted a slight price increase for these features.

At a glance

11 of 29 specs differ
Diameter
ARCTIC GMT41mm
King Turtle45mm
Power Reserve
ARCTIC GMT41h
King Turtle41h
Water Resistance
ARCTIC GMT200m
King Turtle200m
MSRP
ARCTIC GMT$560
King Turtle$650

Full specifications

Case

5 specs
Category
Diver
Diameter
41mm
45mm
Thickness
11.95mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Lug Width
0mm
22mm

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
white
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH34
Seiko 4R36
Jewels
0
24

Pricing

1 specs
MSRP
$560
$650
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