Looked through the comments briefly and couldn’t mind a mention - but wouldn’t the Fossil Watch PDA have been the smallest, by definition; PDA? That thing ran

Looked through the comments briefly and couldn’t mind a mention - but wouldn’t the Fossil Watch PDA have been the smallest, by definition; PDA? That thing ran a full-fledged version of PalmOS. Way, way ahead of its time. (No pun intended. :P) If you haven’t seen this little wonder - check it out here: https://www.wikiwand.com/en/Fossil_Wrist_PDA https://www.wikiwand.com/en/Fossil_Wrist_PDA