Side by side
Aision Watch Co TourbillonvsSeiko King Seiko KSK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Tourbillon41mm
King Seiko KSK38.3mm
Power Reserve
Tourbillon—
King Seiko KSK72h
Water Resistance
Tourbillon50m
King Seiko KSK100m
MSRP
Tourbillon$1,537
King Seiko KSK$2,000
Full specifications
Case
6 specsCategory
—
Dress
Diameter
41mm
38.3mm
Thickness
11.8mm
11.7mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
19mm
Water Resistance
50m
100m
Crystal & Dial
4 specsCrystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Gunmetal
Black
Lume
Swiss Super-LumiNova® BGW9 (Grade A)
LumiBrite on Hands
Movement
3 specsCaliber
HANGZHOU 3series Tourbillon
6R55
Power Reserve
—
72h
Jewels
25
24
Pricing
1 specsMSRP
$1,537
$2,000
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