Side by side

Seiko King Seiko KSKvsGrand Seiko SLGW005

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
SLGW005
Grand SeikoSLGW005
MSRP $9,700

At a glance

11 of 29 specs differ
Diameter
King Seiko KSK38.6mm
SLGW00538.8mm
Power Reserve
King Seiko KSK45h
SLGW00580h
Water Resistance
King Seiko KSK50m
SLGW00530m
MSRP
King Seiko KSK$3,300
SLGW005$9,700

Full specifications

Case

4 specs
Diameter
38.6mm
38.8mm
Thickness
10.7mm
10.4mm
Lug-to-Lug
45.8mm
43.7mm
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
$9,700

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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 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 SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

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