Side by side

Momentum M-Ocean EclipsevsSeiko 5 Sports Field series

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

What people say

Owners + reviewers, side by side

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

Momentum M-Ocean Eclipse

Owners praise the Momentum M-Ocean Eclipse for its distinctive design and durable, lightweight build, making it a comfortable daily wearer. The bezel action is satisfying, and the watch offers excellent 200m water resistance. Some owners note that the lume could be improved, and there have been reports of issues with third-party customer service. Overall, owners rate the Momentum M-Ocean Eclipse highly for its aesthetic appeal and value.

Seiko 5 Sports Field series

The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.

From video reviewers

The prominent five-sided GMT hand enhances legibility and adds a sophisticated aesthetic to the watch. The Seiko 5 Sports Field series offers similar functionality to the Explorer 2 at a lower price, making it a valuable option. Reviewers disagree on whether it's a missed opportunity for Seiko to release this model first, with one reviewer implying it would have been a more logical addition to their lineup.

At a glance

15 of 29 specs differ
Diameter
M-Ocean Eclipse38mm
5 Sports Field series39.4mm
Power Reserve
M-Ocean Eclipse40h
5 Sports Field series41h
Water Resistance
M-Ocean Eclipse200m
5 Sports Field series100m
MSRP
M-Ocean Eclipse$255
5 Sports Field series$450

Full specifications

Case

6 specs
Category
GMT
Diameter
38mm
39.4mm
Thickness
11.5mm
13.6mm
Lug-to-Lug
45.5mm
47.9mm
Lug Width
18mm
20mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Epson VS22
4R34
Type
Solar
Automatic
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$255
$450
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