The Double Balancier à Différentiel Constant exemplifies what Greubel Forsey does best, highly finished complicated movements constructed in an architectural style, with the intricacies of the movement revealed on the dial. Unlike the entry-level Signature 1 launched at the same time, the Double Balancier à Différentiel Constant is a no-expense-spared wristwatch priced at well over US$300,000. Double Balancier à […]
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