Full steel, riveted Oyster bracelet 7205 (end links 60), super rare Sigma "O T swiss T O" silver dial, chronograph, 3 black registers, applied "stick" hands, steel bezel with engraved tachymeter scale, plexiglass, screw down crown, pump pushers, mechanical movement, caliber 727. The least produced Daytona! Unique 6262 with a non oyster 0-T-Swiss-T-0 dial.