Side by side

Seiko King Seiko KSKvsZelos Swordfish 3

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000
Swordfish 3
ZelosSwordfish 3
MSRP $399

At a glance

15 of 29 specs differ
Diameter
King Seiko KSK38.3mm
Swordfish 340mm
Power Reserve
King Seiko KSK72h
Swordfish 340h
Water Resistance
King Seiko KSK100m
Swordfish 3200m
MSRP
King Seiko KSK$2,000
Swordfish 3$399

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
38.3mm
40mm
Thickness
11.7mm
12mm
Lug-to-Lug
46mm
40mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Bronze
Lume
LumiBrite on Hands
None

Movement

3 specs
Caliber
6R55
Seiko NH35
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$2,000
$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 King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

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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