Side by side

Seiko King Seiko KSKvsZelos Skyraider 2

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900
Skyraider 2
ZelosSkyraider 2
MSRP $2,399

At a glance

16 of 29 specs differ
Diameter
King Seiko KSK36.1mm
Skyraider 242mm
Power Reserve
King Seiko KSK72h
Skyraider 240h
Water Resistance
King Seiko KSK100m
Skyraider 250m
MSRP
King Seiko KSK$1,900
Skyraider 2$2,399

Full specifications

Case

7 specs
Category
Dress
Skeleton
Diameter
36.1mm
42mm
Thickness
11.6mm
10.5mm
Lug-to-Lug
43mm
48.5mm
Lug Width
19mm
22mm
Material
Stainless Steel
Mokume Gane
Water Resistance
100m
50m

Crystal & Dial

4 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Mokume
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
6R51
ETA 6498-1 Élaboré
Type
Automatic
Manual
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,900
$2,399

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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

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial finishing at its price point.

Zelos Skyraider 2

The Zelos Skyraider 2 is praised for its value, particularly offering unique dial materials like meteorite at a fraction of luxury prices, and its bronze case is noted for a warm glow. Reviewers and owners highlight the Flieger-inspired design and the use of a manual-wind ETA 6498 movement, with BGW9 and C3 Super-LumiNova lume. Some owners find the skeletonized variant ideal for style over everyday legibility, while others note the brand's past designs have sometimes been hard to read or bulky. The Zelos Skyraider 2 is available in various materials and dial options, with prices ranging from $699 to $1,399. On balance, owners and reviewers rate the Zelos Skyraider 2 highly for its distinctive materials and design at a competitive price point.

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