100-02-22-05-53Ref

The Glashütte Original Senator Perpetual Calendar merges a complex movement with a peaceful design. Its caliber 100-02 movement drives the perpetual calendar indications, which are visible through dial apertures, including the hallmark 'big date' and a small leap year indicator below the logo at 12:00. Reference 100-02-22-05-06 is fitted with a rubber strap and pin buckle, reference 100-02-22-05-04 with a rubber strap and folding clasp, and reference 100-02-22-05-53 with a rubber strap and short folding clasp.