1970’s Audemars Piguet Royal Oak ref. 4100SA “Automatic 36mm, Gray Dial”

Up for grabs is an Audemars Piguet Royal Oak

Reference 4100 SA in steel and 18kt yellow gold, 36mm, automatic

Serial number is B series and should date this watch somewhere in the late 1970’s

No. 27XX production

Excellent vintage condition case appears to be unpolished with with sharp edges and factory finishes.

Very nice and sharp bezel shows signs from wear, but doesn’t appear to have been polished or show any dings or dents.

Dial is original, still has the “vintage” AP print. Tritium hands. Original date disk.

Caseback is personalized by original owner.

Bracelet is very tight and sharp. Should fit about a 7.25″ wrist.

There are no box or papers. Watch winds, and runs but no service history is known.