Side by side

Seiko King Seiko KSKvsGrand Seiko SLGW004

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300
SLGW004
Grand SeikoSLGW004
MSRP $30,000

At a glance

12 of 29 specs differ
Diameter
King Seiko KSK38.6mm
SLGW00438.8mm
Power Reserve
King Seiko KSK45h
SLGW00480h
Water Resistance
King Seiko KSK50m
SLGW00430m
MSRP
King Seiko KSK$3,300
SLGW004$30,000

Full specifications

Case

5 specs
Diameter
38.6mm
38.8mm
Thickness
10.7mm
10.4mm
Lug-to-Lug
45.8mm
43.7mm
Material
Stainless Steel
Gold
Water Resistance
50m
30m

Crystal & Dial

2 specs
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Yes

Movement

4 specs
Caliber
6L35
9SA4
Type
Automatic
Manual
Power Reserve
45h
80h
Jewels
26
25

Pricing

1 specs
MSRP
$3,300
$30,000

Follow this matchup

Get a note when Seiko King Seiko KSK vs Grand Seiko SLGW004 gets more votes, a community discussion, or a price drop. No account needed.

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 for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

Grand Seiko SLGW004

The Grand Seiko SLGW004 is praised for its elegant, faithful reissue design and impressive technical execution, featuring a new 9SA4 hi-beat manual-winding movement with an 80-hour power reserve and accuracy of -3/+5 seconds per day. Reviewers highlight the sharp case facets, double-signed dial, and beautifully decorated movement visible through the display caseback, along with an enjoyable winding experience. One reviewer noted a desire for better water resistance and expressed a dislike for the etched sapphire case back. Overall, reviewers rate the Grand Seiko SLGW004 highly for its elegant design and technically impressive movement.

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.

Adjacent matchups

People also compared

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