Grieb & Benzinger presents the Blue Whirlwind, the world’s first watch powered by a visible tourbillon movement by Patek Philippe based on a rare skeletonized tourbillon minute repeater caliber.

Grieb & Benzinger presents the Blue Whirlwind, the world’s first watch powered by a visible tourbillon movement by Patek Philippe based on a rare skeletonized tourbillon minute repeater caliber.
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