PORTUGIESER HAND-WOUND TOURBILLON Serial Number:6319094 The initials JB are found

The initials JB are found beneath the PVD-coated

preserving all the characteristics which over the years have made this watch an icon of luxury sports watchmaking

The Montblanc 1858 Automatic Chronograph Limited Edition 1858 watch comes with a bi-directional steel bezel that has been enhanced with shiny black ceramic and the four engraved luminescent cardinal points

The embodiment of our obsession with creating the future

Celebrating the 160th anniversary of Minerva

PORTUGIESER HAND-WOUND TOURBILLON Serial Number:6319094 The initials JB are foundThe Portugieser is one of the oldest and best known watches from IWC. No other watch family incorporates so many of the technical tours de force of haute horlogerie.