Side by side

Grand Seiko SBGW291vsSeiko King Seiko KSK

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

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 SBGW291

The Grand Seiko SBGW291 is praised for its charming 36.5mm size and a silver sunburst dial with sharply chamfered indices and dauphine hands. Reviewers note the hallmark Zaratsu polished surfaces and the hand-wound 9S64 movement, which provides accuracy between -3 to +5 seconds per day and a three-day power reserve. The case wears wonderfully on smaller wrists. However, its €5,200 price is considered high by one reviewer, especially without a steel bracelet, suggesting vintage options might be more appealing. Overall, reviewers consider the Grand Seiko SBGW291 a valid option for a simpler, smaller Grand Seiko experience, with its wearability and finishing being key strengths.

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.

At a glance

10 of 29 specs differ
Diameter
SBGW29136.5mm
King Seiko KSK36.1mm
Power Reserve
SBGW29172h
King Seiko KSK72h
Water Resistance
SBGW291100m
King Seiko KSK100m
MSRP
SBGW291$5,300
King Seiko KSK$1,900

Full specifications

Case

3 specs
Diameter
36.5mm
36.1mm
Lug-to-Lug
42.7mm
43mm
Lug Width
18mm
19mm

Crystal & Dial

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

Movement

3 specs
Caliber
Grand Seiko 9S64
Seiko 6R51
Type
Manual
Automatic
Jewels
0
24

Pricing

1 specs
MSRP
$5,300
$1,900
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