Side by side
IWC Schaffhausen Iw459801 Portofino Automatic Day NightvsGrand Seiko STGK003
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Iw459801 Portofino Automatic Day Night34mm
STGK00328.7mm
Power Reserve
Iw459801 Portofino Automatic Day Night50h
STGK00350h
Water Resistance
Iw459801 Portofino Automatic Day Night50m
STGK003100m
MSRP
Iw459801 Portofino Automatic Day Night$19,200
STGK003$31,200
Full specifications
Case
8 specsDiameter
34mm
28.7mm
Thickness
8.9mm
10.9mm
Lug-to-Lug
—
35.1mm
Lug Width
16mm
14mm
Material
18 Ct 5N Gold
Gold
Finish
Steel
Brushed and polished
Water Resistance
50m
100m
Caseback
—
Solid
Crystal & Dial
5 specsCrystal
—
Sapphire
Crystal Shape
—
Flat
AR Coating
—
Yes
Dial Color
Silver
Black
Indices
—
Applied
Movement
2 specsCaliber
35180
9S27
Jewels
24
25
Pricing
1 specsMSRP
$19,200
$31,200
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