Patek Philippe S/S Very Rare Enamel Dial 150th Anniversary Calatrava 3718

A Stainless Steel Calatrava Gents Wristwatch, very rare enamel dial with applied white gold index batons, small seconds at 6 0\'clock, a brushed stainless steel brushed bezel, an original grey leather strap with an original stainless steel pin buckle, sapphire glass, manual wind movement, in mint condition, comes with a presentation boxand the Extract from the Archives confirming its original date of sale as 26th April 1989.N.B. - This is a special edition piece for the Japanese market to celebrate the 150th anniversary of Patek Philippe.