The J23 reportedly features a (varies by sub-model). Do not expect OLED blacks or high refresh rates.
Most owners buy the J23 specifically for the Amadeo conversion. On a Sunday evening, you wear it on a leather strap. On a Monday morning, you fold the case, pop out the strap, and place the watch head onto a wooden desk stand. You now have a miniature clock ticking with a split-second chronograph. No other timepiece under $200,000 offers this duality without tools. amadeo j23
Since "J23" is also the famous codename for the fictional Polish secret agent Hans Kloss (from the series Stawka większa niż życie The J23 reportedly features a (varies by sub-model)