Greubel Forsey Différentiel d’Égalité & GMT Earth

Greubel Forsey presented three new timepieces at SIHH 2018. However, in fact, only one is fresh. The other two problematic are the new iterations of the watches that already exist in their series. Différentiel d’Égalité We will start with the new kid on the block, Différentiel d’Égalité, which features the fifth invention of Robert Gaupper […]

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