A nice and rare stainless steel automatic centre seconds wristwatch with date and bracelet ref 666 ingenieur circa 1960.
Cal. 8531 automatic nickel lever movement, 21 jewels • silvered dial, baton indexes, baton hands, aperture for date, outer minute track, centre seconds • stainless steel case, screw-down case back • with a stainless steel IWC bracelet and folding clasp signed Gay Freres.
Year: Circa 1960
Reference N°: 666-AD
Material: Stainless steel
Calibre: 8531 self-winding
Bracelet/Strap: Original stainless steel “Gay Freres” bracelet
Dimensions: 36,5mm. diameter