Side by side

Grand Seiko SBGY011vsSeiko King Seiko KSK

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

SBGY011
Grand SeikoSBGY011
MSRP $8,800
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

11 of 29 specs differ
Diameter
SBGY01140mm
King Seiko KSK38.6mm
Power Reserve
SBGY01172h
King Seiko KSK45h
Water Resistance
SBGY011100m
King Seiko KSK50m
MSRP
SBGY011$8,800
King Seiko KSK$3,300

Full specifications

Case

4 specs
Diameter
40mm
38.6mm
Thickness
10.5mm
10.7mm
Lug-to-Lug
46.2mm
45.8mm
Water Resistance
100m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
9R31
6L35
Type
Spring Drive
Automatic
Power Reserve
72h
45h
Jewels
25
26

Pricing

1 specs
MSRP
$8,800
$3,300

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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 SBGY011

Grand Seiko SBGY011 owners praise its stunning, subtly textured white dial, with one owner describing its glide as very smooth and the dial itself as stunning in person. The Spring Drive movement is a key appeal, noted for its accuracy of +/- 1 second per day and a 72-hour power reserve. The 40mm stainless steel 44GS case is also a feature. One reviewer expressed a preference for a bracelet over the included crocodile strap. Overall, owners and reviewers highlight the Grand Seiko SBGY011's exceptional dial aesthetics and Spring Drive accuracy as its primary strengths.

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.

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