100-13-04-04-02Ref

The Senator Diary utilizes the 631-component Caliber 100-13 to enable alarm settings up to 30 days in advance, supported by a third spring barrel for consistent alarm power. Its symmetric case features a Panorama Date and an alarm subdial, with an intelligent mechanism that updates the alarm settings during month-end date changes. It is available with an alligator strap paired with a pin buckle (100-13-04-04-02), folding clasp (100-13-04-04-04), or short folding clasp (100-13-04-04-50).