Side by side
IWC Schaffhausen Iw658601 Portofino AutomaticvsSeiko 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
Iw658601 Portofino Automatic37mm
King Seiko KSK38.6mm
Power Reserve
Iw658601 Portofino Automatic120h
King Seiko KSK45h
Water Resistance
Iw658601 Portofino Automatic50m
King Seiko KSK50m
MSRP
Iw658601 Portofino Automatic$11,700
King Seiko KSK$3,300
Full specifications
Case
6 specsDiameter
37mm
38.6mm
Thickness
9.4mm
10.7mm
Lug-to-Lug
—
45.8mm
Lug Width
18mm
19mm
Finish
Steel
Brushed and polished
Caseback
—
Solid
Crystal & Dial
4 specsCrystal Shape
—
Box
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Silver
Black
Indices
—
Applied
Movement
3 specsCaliber
32111
6L35
Power Reserve
120h
45h
Jewels
21
26
Pricing
1 specsMSRP
$11,700
$3,300
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