Hands On With The IWC Schaffhausen Portugieser Constant-Force Tourbillon And Perpetual Calendar Tourbillon (Prices)

IWC Portugieser Perpetual Calendar Tourbillon Limited Edition 150 Years watch

This year, IWC Schaffhausen celebrates its 150th anniversary — and does so with than two dozen important jubilee timepieces. Prior to SIHH 2018, we brought you a close-up lo at…

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