Side by side

Seiko 5 Sports SKX series MOONEYES Limited EditionvsSeiko Prospex Sea

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.

Seiko 5 Sports SKX series MOONEYES Limited Edition

The Seiko 5 Sports SKX series MOONEYES Limited Edition is praised for its bold, sporty design, featuring a vibrant yellow sunray dial and a unique acrylic bezel insert that evokes hot-rodding culture. Owners note the surprisingly wearable yellow color and the distinctive Mooneyes branding that stands out in person. The 42.5mm case is complemented by a short 46mm lug-to-lug distance, allowing for comfortable wear on smaller wrists. It is powered by the 4R36 automatic movement, offering a 41-hour power reserve, and comes with both a steel bracelet and a striped nylon strap. Overall, owners and reviewers appreciate the Seiko 5 Sports SKX series MOONEYES Limited Edition for its fun, retro aesthetic and comfortable wearability at an affordable price point.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
5 Sports SKX series MOONEYES Limited Edition42.5mm
Prospex Sea41.3mm
Power Reserve
5 Sports SKX series MOONEYES Limited Edition41h
Prospex Sea72h
Water Resistance
5 Sports SKX series MOONEYES Limited Edition100m
Prospex Sea300m
MSRP
5 Sports SKX series MOONEYES Limited Edition$420
Prospex Sea$1,100

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
42.5mm
41.3mm
Thickness
13.4mm
12.5mm
Lug-to-Lug
46mm
48.2mm
Lug Width
22mm
20mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface

Movement

2 specs
Caliber
4R36
6R55
Power Reserve
41h
72h

Pricing

1 specs
MSRP
$420
$1,100
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