Side by side

Phoibos Voyager GMTvsSeiko Prospex Sea

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

Voyager GMT
PhoibosVoyager GMT
MSRP $429
Prospex Sea
SeikoProspex Sea
MSRP $595

At a glance

12 of 29 specs differ
Diameter
Voyager GMT39mm
Prospex Sea41.7mm
Power Reserve
Voyager GMT40h
Prospex Sea41h
Water Resistance
Voyager GMT100m
Prospex Sea200m
MSRP
Voyager GMT$429
Prospex Sea$595

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
41.7mm
Thickness
13.2mm
12.3mm
Lug-to-Lug
45mm
49.5mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH34
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$429
$595

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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.

Phoibos Voyager GMT

Owners widely praise the Phoibos Voyager GMT for its exceptional fit and finish, attractive dials that play with light, and outstanding lume. The bezel action is described as perfect with a grippy, smooth-threaded crown, and the bracelet clasp is noted as high quality for the price. Accuracy varies, with one owner reporting +1/+2 seconds per day and another around -6 seconds per day. Some owners find the 14.5mm thickness chunky and difficult to wear with long sleeves, and the 24-click bezel limits tracking to hour-offset time zones. The date color can blend into the dial, and the date wheel may show slight misalignment. On balance, owners rate the Phoibos Voyager GMT highly for its vibrant dials and excellent value.

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.

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