Audemars Piguet Royal Oak Perpetual Calendar 26598BC. ZZ.1220BC.01 'Qatar. The Audemars Piguet “Qatar Edition 26598BC. ZZ.1220BC.01 is mounted in a 41 mm white gold case and bracelet. The deep hue of the dial adds visual warmth, while the diamond setting maintains the Royal Oak’s sporty and architectural DNA.
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