Side by side

Seiko 5 Sports SKX series MOONEYES Limited EditionvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

12 of 29 specs differ
Diameter
5 Sports SKX series MOONEYES Limited Edition42.5mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
5 Sports SKX series MOONEYES Limited Edition41h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
5 Sports SKX series MOONEYES Limited Edition100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
5 Sports SKX series MOONEYES Limited Edition$420
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
42.5mm
42mm
Thickness
13.4mm
12.9mm
Lug-to-Lug
46mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko 4R36
6R54
Power Reserve
41h
72h

Pricing

1 specs
MSRP
$420
$1,500
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Seiko 5 Sports SKX series MOONEYES Limited Edition vs Seiko Prospex Sea 1968 Heritage Diver's GMT gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.