48. Audemars Piguet. A fine 18K gold quartz bracelet watch Audemars Piguet. Belle montre bracelet en or jaune 18K (750) mouvement quartz Model: Royal Oak Jumbo Reference: 6005BA Date: Circa 1980 Movement: 7-jewel, quartz, No.249376 Dial: White grid, applied gilt baton hour markers, gilt pointed baton hands Case: Brushed and polished rectangular form, back secured by 6 screws, No.B85122 Strap/Bracelet: Brushed 18K gold link Buckle/Clasp: Signed 18K gold buckle Signed: Case, dial & movement Size: 28mm x 38mm Weight: 122,33g When Audemars Piguet introduced the Royal Oak in the early 1970s it soon became the life saver and keystone for the brand, and furthermore revolutionized the industry with the new notion of "high-end sport watch". By the 1980's when quartz watches were becoming more popular Audemars Piguet released the reference 6005. Whilst featuring a rectangular case shape different from the typical Royal Oak, the reference stays true to the original Genta design with the iconic integrated bracelet and tapisserie dial.