Audemars Piguet Royal Oak Ref. 4100ST - 'Midsize' Unpolished W/ Full Set

It’s not unfair to say that Audemars Piguet Royal Oak is one of the most iconic watches ever made. Designed in 1972 by Gerald Genta, the Royal Oak completely changed the way that we look at a steel sports watch. For the first time, stainless steel was treated as a precious metal - receiving complex finishing techniques of brushing, polishing, and beveling - all by hand. The idea that its eight hexagonal bezel screws would be finely finished and left exposed for the wearer to see was a revolutionary thought. It’s no surprise that the model became the calling card for the family owned Audemars Piguet - not to mention one of the most sought after watches in the world. While the initial 5402 was time-only, AP quickly began to capitalize on the success of the Royal Oak and begin to integrate other complications and variations into this case.

Which leads us to the Royal Oak that we have here, a 'midsize' Reference 4100ST. These pieces embody the ethos of the original Ref. 5402 'Jumbo' models, just in a slightly smaller and equally svelte 35mm case. In fact, at a glance, the only thing that differentiates it from its larger sibling, is the presence of a running central seconds hand.

This particular example dates to circa 1978 and comes to us in absolutely outstanding overall condition. The case, bezel assembly, and bracelet are all in unpolished condition, with clear and defined factory finishing visible throughout. It shows normal signs of wear and light sleeve-polish from age with no notable blemishes or damage. The deep blue micro-tapisseriae dial within is also remarkably well-preserved, seemingly devoid of any of the usual wear to the textured surface. The color is consistent throughout and the applied Tritium-filled indices exhibit a light and even patina. The Tritium handset also matches the dial beautifully both to the naked eye and under UV. The characteristic integrated bracelet shows virtually no stretch or sag, and has an "AP" signed hidden clasp. 

Additionally, this piece is accompanied by an incredibly complete set. Included with the purchase of the watch is the outer box, inner leather box, booklets, green leather folder, serialized hangtag, and guarantee papers. 

The 35mm size lends itself to, we think, a more comfortable wearing experience for more people, in fact, we'd say virtually any wrist, versus the way a full size 39mm Royal Oak which can fit a little odd on some wrists due to how flat it is. These watches strike the perfect balance between the size and value proposition that a Royal Oak can offer.

Whats not to like?