Audemars Piguet Royal Oak 15514BC.TO.1284BC.01 Blue Topaz '50th Anniversary' White Gold Topaz Blue Dial

Blue topaz is the palest stone in the anniversary set and reads closer to ice than to blue, which makes it the version that looks most like a diamond-set Royal Oak at a distance. The colour only declares itself close up.

The white gold case measures 41 mm with a gem-set bezel. The white gold dial is set with baguette-cut blue topaz and carries white gold Royal Oak hands. The watch is completed on a white gold bracelet set with baguette-cut blue topaz and an AP folding clasp. Topaz cleaves perfectly in one direction, which means it splits cleanly if struck along that plane — a property that makes it comparatively easy to cut and comparatively unforgiving to set.

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