Side by side
Grand Seiko SBGW306vsSeiko King Seiko KSK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
SBGW30636.5mm
King Seiko KSK36.1mm
Power Reserve
SBGW30672h
King Seiko KSK72h
Water Resistance
SBGW306100m
King Seiko KSK100m
MSRP
SBGW306$17,900
King Seiko KSK$1,900
Full specifications
Case
5 specsDiameter
36.5mm
36.1mm
Thickness
11.7mm
11.6mm
Lug-to-Lug
42.7mm
43mm
Lug Width
18mm
19mm
Material
Gold
Stainless Steel
Crystal & Dial
3 specsCrystal Shape
—
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
9S64
6R51
Type
Manual
Automatic
Jewels
0
24
Pricing
1 specsMSRP
$17,900
$1,900
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