100-02-25-05-06Ref

The Glashütte Original Senator Perpetual Calendar combines a sophisticated movement with a tranquil aesthetic. Powered by the caliber 100-02, the watch features dial apertures for all perpetual calendar functions, such as the iconic 'big date' and a discreet leap year display under the 12 o'clock logo. Reference 100-02-25-05-06 features a rubber strap with a pin buckle, 100-02-25-05-04 includes a rubber strap with a folding clasp, and 100-02-25-05-53 uses a rubber strap with a short folding clasp.