The Seiko 4R39 caliber is a mechanical caliber with 24-hour display. The watch charges itself during wear by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the mainspring of the watch to be wound.

Seiko Presage Collection

Sublime mechanical watches from Japan. Over 100 years ago, Seiko produced Japan's first wristwatch, laying the foundation for a long-standing tradition of great craftsmanship. To this day, Seiko watchmakers share a passion for innovation and craftsmanship in creating, assembling and inspecting Seiko mechanical watches. Exquisite craftsmanship forms the basis for the high standard of Seiko's mechanical Presage watches.

Automatic movement

A mechanical watch automatically charges itself when worn by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the mainspring of the watch to be wound. This spring is the energy source

Kaliber 4R39

The Seiko 4R39 caliber is a mechanical caliber with 24-hour display. The watch charges itself during wear by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the mainspring of the watch to be wound. This spring is the energy source. Winding by hand is also possible. When fully charged, the watch has a power reserve of 41 hours. The tapping frequency of this machine is 21,600 per hour and the watch has 24 jewels. The 4R caliber is manufactured entirely in-house at Seiko.

Technology

The foundation of every Presage watch is the valuable legacy of more than a century of watchmaking experience. Illustrated by the special fact that literally every part of a Presage watch is manufactured in-house! Presage stands for 'Fine mechanical watchmaking, from Japan' for a reason.