Side by side

Seiko 5 Sports SKX seriesvsSeiko Prospex Sea Save the Ocean Special Edition

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

5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

13 of 29 specs differ
Diameter
5 Sports SKX series28mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
5 Sports SKX series40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
5 Sports SKX series100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
5 Sports SKX series$315
Prospex Sea Save the Ocean Special Edition$650

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
28mm
43.8mm
Thickness
11.2mm
12.8mm
Lug-to-Lug
33.1mm
48.7mm
Lug Width
14mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
LumiBrite on hands and index(es)
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
2R06
4R35
Power Reserve
40h
41h
Jewels
21
23

Pricing

1 specs
MSRP
$315
$650

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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.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

Seiko Prospex Sea Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

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