Portofino Chronograph IW378303

Portofino Chronograph IW378303

View sold prices
View owner photos & reviews
41mm, Black
IWC
IWC
Release year
2007
Dial color
Black
Dial index
Bar
Glass
Sapphire crystal
Case material
Stainless steel
Case diameter
41mm
Case thickness
13.5mm
Bracelet material
Leather
Types of bracelets
Strap
Buckle types
Deployant folding clasp
Bezel material
Stainless steel
Lug width
20mm
Function
Chronograph, Day, Date
Waterproof
30m
Movement
Self-winding
Caliber
Cal. 79320
Frequency
28, 800 vibrations
Power reserve
About 44 hours
Rolex Price Increase Korea – July 2025 Updated Price List, Models & Reasons
Rolex Price Increase Korea – July 2025 Updated Price List, Models & Reasons
Rolex Announces Second Price Increase in 2025 – What Buyers Need to Know
Datejust
Purchasing Guide
Datejust Purchasing Guide
How to purchase Datejust without fail
Introduction to watches
Basic class
Introduction to watches Basic class
Watch Terms Explained
Only real value
so that we can trade
Only real value so that we can trade
A counterfeit, bubble-free watch trading platform
invitation
From. VIVER showroom
invitation From. VIVER showroom
Come visit the VIVER Showroom :)

Calendar
Calendar
In-depth study of the calendar function to become an intermediate watch watch user.
Jaeger LeCoultre 
Reverso
Jaeger LeCoultre Reverso
Watchmaker's Watchmaker
Rolex Perpetual Padellone
Rolex Perpetual Padellone
A dress watch known as a "frypan"
Watches and Wonders
Watches and Wonders
Introduction of new products from major brands such as Patek Philippe and Cartier
The uniqueness presented by nature
The uniqueness presented by nature
The world of stone dials