Seiko Prospex SeavsTimefactors Voyager GMT

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Prospex Sea at true scale

Prospex Sea

Timefactors Voyager GMT at true scale

Voyager GMT

Diameter

43.8mm

42.5mm

Lug-to-Lug

48.7mm

lowest

52mm

Thickness

12.8mm

lowest

14.5mm

Water Resistance

200m

300m

highest

Power Reserve

41h

n/a

MSRP

$625

lowest

$1,174

Movement

Seiko 4R35

ETA 2893-2

Case

4 specs
Diameter
43.8mm
42.5mm
Thickness
12.8mm
14.5mm
Lug-to-Lug
48.7mm
52mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
Black
Lume
LumiBrite on hands, index(es) and bezel
SuperLuminova

Movement

3 specs
Caliber
Seiko 4R35
ETA 2893-2
Power Reserve
41h
n/a
Jewels
23
0

Pricing

1 specs
MSRP
$625
$1,174
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.

Timefactors Voyager GMT

Owners widely praise the Timefactors Voyager GMT for its vintage dial design and jubilee-style bracelet. One owner notes the 42.5mm case, despite a 15mm thickness, is surprisingly wearable on a 6.75-inch wrist. Accuracy is reported as perfect by one owner. However, some find the 15mm thickness excessive for their wrists, and one commenter considers the lack of a date window a deal-breaker. Overall, owners rate the Timefactors Voyager GMT highly for its vintage aesthetic and bracelet, with wearability being a point of discussion due to its thickness.