100-02-25-12-50Ref

The Glashütte Original Senator Perpetual Calendar blends a complex movement with a serene aesthetic. All perpetual calendar data, driven by the caliber 100-02, appears through dial apertures, such as the 'big date' and the leap year indicator below the 12 o'clock mark. Reference 100-02-25-12-01 features an alligator strap with a pin buckle, 100-02-25-12-05 has an alligator strap with a folding clasp, and 100-02-25-12-50 includes an alligator strap with a short folding clasp.