Patek Philippe 18k White Gold White Enamel Roman Dial Calatrava 3919G

An 18k White Gold Calatrava Gents Wristwatch, white enamel dial with roman numerals, small seconds at 6 0'clock, a fixed 18k white gold hobnail patterned bezel, a brand new black leather strap with a stainless steel pin buckle (both not by Patek Philippe), sapphire glass, manual wind movement, in excellent condition, comes with a presentation box and a photocopy of the Extract from the Archives confirming it's original date of sale as November 18th 1987.