100-13-01-01-04Ref

The Senator Diary is a pioneering mechanical timepiece capable of setting an alarm up to 30 days in advance, powered by the 631-component Caliber 100-13. It features a balanced case with two crowns and pushers, a Panorama Date display, and a specialized alarm subdial and aperture. The movement includes a third spring barrel to keep the alarm wound, available as Ref. 100-13-01-01-01 with a pin buckle, Ref. 100-13-01-01-04 with a folding clasp, or Ref. 100-13-01-01-50 with a short folding clasp.