100-02-22-05-04Ref

The Glashütte Original Senator Perpetual Calendar combines a sophisticated movement with an understated aesthetic. Powered by the caliber 100-02, the watch displays perpetual calendar functions via dial apertures, including the iconic 'big date' and a leap year indicator positioned beneath the 12 o'clock logo. It is available with a rubber strap paired with a pin buckle (100-02-22-05-06), a folding clasp (100-02-22-05-04), or a short folding clasp (100-02-22-05-53).