DialSpec

IWC Schaffhausen Portofino Chronograph

Ref. IW3910-29current

What is the IWC Schaffhausen Portofino Chronograph?

IWC Schaffhausen Portofino Chronograph IW391029 self-winding mechanical watch features a 42mm stainless steel case surrounding a black dial on a black alligator strap. This watch is powered by the 79320 movement. Functions include hours and minutes, seconds, day, date, and chronograph. This watch is water resistant up to 30m.

VerifiedUpdated 2026-02-20

Case Details

Diameter Mm
42 mmmedium
Thickness Mm
Unknownlow
Lug To Lug Mm
Unknownlow
Material
Stainless Steelmedium
Shape
Roundmedium
Bezel
Stainless Steelmedium
Crystal
Sapphiremedium
Caseback
Solidmedium
Water Resistance M
30 mmedium

Movement

Caliber
Unknownlow
Manufacturer
IWC Schaffhausenlow
Winding
Automaticmedium
Frequency Vph
Unknownlow
Power Reserve Hours
Unknownlow
Complications
Chronograph, Date, Day, Hours And Minutes, Secondsmedium
Base Caliber Notes
Unknownlow

Dial

Color
Blackmedium
Marker Style
Index, Roman Numeralsmedium

Strap & Bracelet

Type
Braceletmedium
Material
Alligatormedium
Clasp
Tang Bucklemedium

Key Specifications

Diameter42 mm mm
ThicknessUnknown mm
Water Resistance30 m m
MovementUnknown
Power ReserveUnknown hrs
MSRP$6,900
MSRP
$6,900

fixed

Buy for $6,900

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