1990 pre-owned Royal Oak 36mm from Audemars Piguet featuring stainless steel, index dial, baton hands, date indication, sapphire glass, octagonal face, push-down crown, ardillon-buckle fastening, engraved logo, automatic movement, circa 1990, waffle-textured black dial and black leather bracelet. This item comes with a Collector Square certificate of authenticity.. Conscious: Purchasing this item continues its narrative and reduces the environmental impact of using new resources. You can be confident that you’re making a better choice for the Planet..