Rolex, “Oyster Cosmograph Daytona” ref 6263
n° 5529782, around 1978
Legendary stainless steel chronograph, silver dial, 3 registers, permanent seconds, 30 mn & 12h counters, applied indexes, outer minute track, black tachometer bezel. Screwed back, winding crown & buttons, manual wind movement caliber 727. Steel bracelet with deployant clasp.
Diam 38 mm