Side by side

Grand Seiko SLGW003vsSeiko King Seiko KSK

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

SLGW003
Grand SeikoSLGW003
MSRP $11,600
King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900

At a glance

14 of 29 specs differ
Diameter
SLGW00338.6mm
King Seiko KSK36.1mm
Power Reserve
SLGW00380h
King Seiko KSK72h
Water Resistance
SLGW00330m
King Seiko KSK100m
MSRP
SLGW003$11,600
King Seiko KSK$1,900

Full specifications

Case

6 specs
Diameter
38.6mm
36.1mm
Thickness
9.95mm
11.6mm
Lug-to-Lug
45mm
43mm
Lug Width
20mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
9SA4
6R51
Type
Manual
Automatic
Power Reserve
80h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$11,600
$1,900

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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.

Grand Seiko SLGW003

The Grand Seiko SLGW003 is praised for its comfortable, lightweight Brilliant Hard Titanium case, meticulous finishing, and a clean, modern dial. Reviewers highlight the new 9SA4 manual-wind movement, noting its attractive finishing, 80-hour power reserve, and accuracy of -3/+5 seconds per day. It is considered a versatile dress watch blending vintage and future Grand Seiko spirit. The €11,700 price is noted as expensive, with some questioning its value. Overall, reviewers rate the Grand Seiko SLGW003 highly for its elegant design and impressive manual-wind movement at its flagship price point.

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.

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