100-02-22-12-05Ref

Combining a tranquil aesthetic with a high-complication movement, the Glashütte Original Senator Perpetual Calendar uses the caliber 100-02 to show its perpetual calendar data through dial apertures, including the 'big date' and a subtle leap year indicator below the 12 o'clock logo. Reference 100-02-22-12-01 features an alligator strap and pin buckle, reference 100-02-22-12-05 has an alligator strap and folding clasp, and reference 100-02-22-12-50 includes an alligator strap and short folding clasp.