33 mm. Audemars Piguet launched the first Royal Oak series quartz watch with a diameter of 33mm, a calendar, and a diamond-encrusted women's watch. The white gold case is paired with a silver dial decorated with "Grande Tapisserie" and a diamond-set bezel. Anti-glare treated sapphire crystal glass. White gold strap with AP folding clasp. The full English name of AP is engraved inside the buckle. A full set of gift box suits with picture counters, handbag invoices.