official dealer allemano milan Allemano gmt - polished finish a 1919 cp official dealer case movement Movement - Self-winding mechanical movement created in Switzerland Functions - Hours, minutes and seconds. Date and second time zone Frequency - 28800 a/h Autonomy - 42 hours dial Dial color - Antique white More info - Serial number embossed spheres Spheres - Matte black and red strap Strap Material - Soft black Italian leather Buckle - Steel buckle and folding clasp coordinated with the case finish. certificate Certified-Time Meters are verified and certified against a sample instrument, noting the actual advance and delay measured during deliberation tests.