The IWC Portugieser Constant-Force Tourbillon reference IW5901-04 was made in 2016 as a limited edition of 5 pieces. It features a Platinum case and a Black dial. Inside ticks the hand-wound caliber 94800.
The IWC Portugieser Constant-Force Tourbillon reference IW5901-04 was made in 2016 as a limited edition of 5 pieces. It features a Platinum case and a Black dial. Inside ticks the hand-wound caliber 94800.
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