Side by side

Phoibos Voyager GMTvsSeiko Prospex Sea Save the Ocean Special Edition

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

Voyager GMT
PhoibosVoyager GMT
MSRP $429

At a glance

12 of 29 specs differ
Diameter
Voyager GMT39mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Voyager GMT40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Voyager GMT100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Voyager GMT$429
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
45mm
Lug-to-Lug
45mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Red
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH34
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$429
$625

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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 Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

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