Ballon Bleu means 'blue ball' in French. Released in 2007, It is a relatively new product and boasts an original design that depicts the expansion of space and the continuity of time at the moment when the universe was born.
Official retail price is based on the first price increase of each year.

2025 Cartier Price Increase – Updated Price List & Models Explained
Cartier Raises Prices by 6% – New 2025 Price List and Reasons Explained

Showroom Apgujeong
Worn Model
The entire list

Spring, Spring, Spring has come
SS season watch recommendations
A mood changer starts from your wrist!

Today is the cheapest
luxury watch
Watch retail prices are soaring, to what extent?

I'm serious about watches
Cartier
What is the secret to Cartier establishing itself as a ‘watch brand’?

What is the watch diameter like these days?
After every rise comes a fall.

Listen to the master
Watches and Philosophy
Interview with Master Jang Seong-won Part 2

2025
Starting the Year of the Snake
Watches commemorating the Year of the Blue Snake, Eulsa Year

Cyclops
lens
Rolex signature started from a drop of water

Rolex Explorer 1
A thorough comparison
Explorer's Past and Present