Side by side

Seiko 5 Sports SKX seriesvsZelos Swordfish 3

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
Swordfish 3
ZelosSwordfish 3
MSRP $399

At a glance

13 of 29 specs differ
Diameter
5 Sports SKX series28mm
Swordfish 340mm
Power Reserve
5 Sports SKX series40h
Swordfish 340h
Water Resistance
5 Sports SKX series100m
Swordfish 3200m
MSRP
5 Sports SKX series$315
Swordfish 3$399

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
28mm
40mm
Thickness
11.2mm
12mm
Lug-to-Lug
33.1mm
40mm
Lug Width
14mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Dial Color
Black
Bronze
Lume
LumiBrite on hands and index(es)
None

Movement

2 specs
Caliber
2R06
Seiko NH35
Jewels
21
25

Pricing

1 specs
MSRP
$315
$399

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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.

Zelos Swordfish 3

Owners widely praise the Zelos Swordfish 3 for its strong value, with reviewers highlighting the textured sandwich dial, Seiko NH35 movement, 200m water resistance, and surprisingly good bracelet. The titanium construction is noted for making the watch compact and comfortable, weighing 117g. Some owners find the dimensions fine on paper and based on experience with other models. One reviewer flagged that legibility can suffer in bright light and bracelet edges are sharp. Overall, owners and reviewers rate the Zelos Swordfish 3 highly for its incredible value and fun design, particularly with unique dial options.

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