Side by side

Grand Seiko SBGA427vsSeiko King Seiko KS1969

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 SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

Seiko King Seiko KS1969

The King Seiko KS1969 is praised for its Grand Seiko-level finishing and a slim 9.9mm case, with one owner noting it is indistinguishable from new and includes original packaging. However, the $3,100-$3,200 price point is widely questioned, with some finding the looks pedestrian and the branding jarring. Accuracy from the 6L35 movement is noted as +15/-10 seconds per day, and some owners feel the new case shape, dial colors, and end links deviate from the classic KS aesthetic. On balance, owners and reviewers are divided on the King Seiko KS1969, with the high price and modern design choices being the primary points of contention.

From video reviewers

The slim case profile under 10mm and compact lug-to-lug dimensions provide a comfortable fit. The dial's modern appeal and the collection's homage to vintage pieces are highlighted. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

At a glance

11 of 29 specs differ
Diameter
SBGA42739mm
King Seiko KS196939.4mm
Power Reserve
SBGA42772h
King Seiko KS196945h
Water Resistance
SBGA427100m
King Seiko KS196950m
MSRP
SBGA427$5,800
King Seiko KS1969$3,100

Full specifications

Case

4 specs
Diameter
39mm
39.4mm
Thickness
12.3mm
9.9mm
Lug-to-Lug
46.8mm
43.6mm
Water Resistance
100m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
9R65
6L35
Type
Spring Drive
Automatic
Power Reserve
72h
45h
Jewels
0
26

Pricing

1 specs
MSRP
$5,800
$3,100
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