Rolex

Ref: 16520, "Cosmograph Daytona", "6 inverted", No. N132471
Fine and rare,  self-winding, stainless steel wristwatch with screwed case back, screwed winding-crown with protecting guards, original bracelet with deployant clasp, "inverted 6” dial, chronograph with two round-shaped screwed push-pieces, engraved tachymeter scale on the bezel for 400 units per hour, minute and hour counters
Sold in 1992. Accompanied by the original box, Guarantee, additional links and booklets
DIAM: 40 mm