Side by side

Grand Seiko SBGM245vsSeiko King Seiko KSK

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

12 of 29 specs differ
Diameter
SBGM24540.5mm
King Seiko KSK38.6mm
Power Reserve
SBGM24572h
King Seiko KSK45h
Water Resistance
SBGM245200m
King Seiko KSK50m
MSRP
SBGM245$6,100
King Seiko KSK$3,300

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
40.5mm
38.6mm
Thickness
14.4mm
10.7mm
Lug-to-Lug
48.6mm
45.8mm
Lug Width
20mm
19mm
Water Resistance
200m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
9S66
6L35
Power Reserve
72h
45h
Jewels
25
26

Pricing

1 specs
MSRP
$6,100
$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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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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