100-02-07-12-70Ref

Released in late 2015, this boutique-exclusive Senator Perpetual Calendar features a stainless steel case and a bespoke blue dial with Roman numerals crafted at the Pforzheim facility. Variations include alligator straps with a pin buckle (100-02-07-12-01), a folding clasp (100-02-07-12-30), or a short folding clasp (100-02-07-12-50), with reference 100-02-07-12-70 coming on a stainless steel bracelet.