Descriptions :
ROLEX Solid 18KYG Vintage "COSMOGRAPH / DAYTONA" 3-Reg. 12-Hour Chronograph. Ref. 6263. All Original Condition. Circa 1970s/80s. (RARE).
Dial :
Signed and original black dial appears to be in Excellent condition. Signed with "ROLEX OYSTER SUPERLATIVE CHRONOMETER OFFICIALLY CERTIFIED" and gold applied Rolex crown at 12:00. White / Silver sub-reg. dials. Gold applied hour markings. Gold hands are all in good condition. All letterings on dial are gold in color. The dial is 100% original.
Case :
Signed and original solid 18K yellow gold case appears to be in excellent condition with only minor light scratches from wear. Signed screw down crown. Screw down pushers with no crown guard. Black original bezel is also in 18K gold. The solid 18K yellow gold original bracelet is fully signed / hallmarked and is the matching early rivet type Oyster bracelet. Screw back cover is in good shape with no ugly open mark and is fully signed with Rolex patent, 18K hallmarks, and case reference "6263"

Size Measured = 39mm without lugs and crown. 
Movement :
This is an early type Cosmograph chronograph wrist watch which originally came with signed and original manual wind Cal.727 movement as shown on scan. The condition of this movement is excellent / mint condition as shown. Very clean condition which runs excellently.
Remarks :
This is one of the very rare highly collectable early Rolex Chronograph (Daytona). Watch do runs well and keep good time. Same type of early stainless steel Daytona will cost approx. USD10,000+ to buy these days which might be a bit too much for a stainless steel model. This one is a solid 18K gold with original 18K bracelet (Heavy). Please feel free to write for further information.