100-02-25-12-06Ref

The Glashütte Original Senator Perpetual Calendar combines a sophisticated movement with an elegant aesthetic. Powered by the caliber 100-02, all perpetual calendar functions are shown through dial apertures, featuring the iconic 'big date' and a discrete leap year indicator under the 12 o'clock logo. Reference 100-02-25-12-06 includes a rubber strap with a pin buckle, 100-02-25-12-04 features a rubber strap with a folding clasp, and 100-02-25-12-53 comes with a rubber strap and a short folding clasp.