100-02-22-12-01Ref

Featuring a refined design and a complex movement, the Glashütte Original Senator Perpetual Calendar displays its perpetual calendar functions via the caliber 100-02 through dial apertures, notably the 'big date' window and a subtle leap year indicator below the 12 o'clock logo. Reference 100-02-22-12-01 includes an alligator strap with a pin buckle, reference 100-02-22-12-05 has an alligator strap with a folding clasp, and reference 100-02-22-12-50 offers an alligator strap with a short folding clasp.