The IWC Portofino Hand-Wound Eight Days IW510107 features a 45.0 mm 18-carat red gold case, A silver dial, And a brown strap, And has been consistently loved since its launch in 2011. Equipped with the IWC in-house manual-winding caliber 59210, It boasts outstanding practicality and precision, With a power reserve of 192 hours (8 days), An indicator at 9 o’clock, A date window at 3 o’clock, And small seconds at 6 o’clock. The clean-cut open dial structure, Classic Roman numerals, And gold hands combine to maximize elegance and luxury, And this is IWC’s representative dress watch that lets you experience both practicality and traditional sensibility with just one winding per week.

Resale Premium
Top 6
Premium still exists

Leaving Rolex
Rappers?!
Rolex and hip hop second story

First half of 2023
Classic watch price analysis
What are the performance of the major classic watch models in the first half of the year?

In the cold winter
warm watch
Find a watch that is a little less cold

Practical luxury
titanium watch
The mainstream is titanium

Rolex's
Strategic Marketing
The Secret to Rolex's Symbol of Success

Second gold
Rolex
Rolex is ultimately a safe asset

Datejust
New vs old comparison
Rolex Datejust Evolution

2023 Classic Watch
Prices of major models
What is the most popular Datejust combination?

The World of Ceramic Watches
Part 1
Practicality and sensibility required by the times