Amadeo J23 -

To understand the "guide" to J23, it helps to know the source material:

Q: Who is Amadeo J23? A: The true identity of Amadeo J23 remains unknown, but the individual is believed to be an enigmatic figure with a significant online presence. amadeo j23

A standard watch has fixed lugs holding a strap or bracelet. An case, however, features a reversible, folding mechanism. To understand the "guide" to J23, it helps

If you ever see an at a watch fair (usually tucked away at a dealer’s private table), do not ask for the price first. Ask to see the hinge work. Watch the watchmaker flip the case from a wristwatch into a pocket watch. Listen to the column wheel click. An case, however, features a reversible, folding mechanism

Since "J23" is also the famous codename for the fictional Polish secret agent Hans Kloss (from the series Stawka większa niż życie