Side by side

Phoibos Voyager GMTvsGrand Seiko SBGR321

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

Voyager GMT
PhoibosVoyager GMT
MSRP $429
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

9 of 29 specs differ
Diameter
Voyager GMT39mm
SBGR32140mm
Power Reserve
Voyager GMT40h
SBGR32172h
Water Resistance
Voyager GMT100m
SBGR321100m
MSRP
Voyager GMT$429
SBGR321$5,200

Full specifications

Case

4 specs
Category
GMT
Dress
Diameter
39mm
40mm
Thickness
13.2mm
13mm
Lug-to-Lug
45mm
46.6mm

Crystal & Dial

2 specs
Dial Color
Red
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SII NH34
9S65
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$429
$5,200

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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.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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