Side by side
Kurono Tokyo SeijivsSeiko King Seiko KSK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
17 of 29 specs differDiameter
Seiji37mm
King Seiko KSK36.1mm
Power Reserve
Seiji40h
King Seiko KSK72h
Water Resistance
Seiji30m
King Seiko KSK100m
MSRP
Seiji$1,793
King Seiko KSK$1,900
Full specifications
Case
8 specsDiameter
37mm
36.1mm
Thickness
7mm
11.6mm
Lug-to-Lug
—
43mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Finish
Polished
—
Water Resistance
30m
100m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
—
Box
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Celadon (青磁)
—
Indices
Applied
—
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Miyota 90S5
Seiko 6R51
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
72h
Pricing
1 specsMSRP
$1,793
$1,900
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