The Audemars Piguet Millenary 4101 comes from AP’s Millenary line, a collection first launched in 1995 as a departure from the brand’s more traditional designs, meant to celebrate the approaching new millennium with bold, artful aesthetics.
 
It revived a forgotten oval case style from earlier decades and mixed it with an off-center dial to make the movement and inner world part of the visual experience.
 
Over the years, the Millenary became known among collectors as one of AP’s most distinctive and daring pieces — not just a watch, but a statement about craftsmanship meeting sculptural design.
 
The 4101 version in steel, especially with its open-worked look, embodies that philosophy: it’s about seeing the soul of the watch, not just reading time.
 
That’s why it stands out in the vintage and pre-owned market today — it’s a conversation starter and a piece of design history.