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
13 of 29 specs differDiameter
SBGW30636.5mm
King Seiko KSK38.6mm
Power Reserve
SBGW30672h
King Seiko KSK45h
Water Resistance
SBGW306100m
King Seiko KSK50m
MSRP
SBGW306$17,900
King Seiko KSK$3,300
Full specifications
Case
6 specsDiameter
36.5mm
38.6mm
Thickness
11.7mm
10.7mm
Lug-to-Lug
42.7mm
45.8mm
Lug Width
18mm
19mm
Material
Gold
Stainless Steel
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal Shape
Flat
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Movement
4 specsCaliber
9S64
6L35
Type
Manual
Automatic
Power Reserve
72h
45h
Jewels
25
26
Pricing
1 specsMSRP
$17,900
$3,300
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