100-02-25-05-05Ref

The Glashütte Original Senator Perpetual Calendar pairs an intricate movement with a calm design. Perpetual calendar functions are displayed via dial apertures powered by the caliber 100-02, featuring the 'big date' window and a subtle leap year indicator below the 12 o'clock logo. Reference 100-02-25-05-01 comes with an alligator strap and a pin buckle, 100-02-25-05-05 has an alligator strap and a folding clasp, and 100-02-25-05-50 includes an alligator strap with a short folding clasp.