Manufacturer Bulova (Citizen) Caliber Number 8137 Jewels 11 Frequency 262.144 kHz Quartz Crystal 3-prong torsional resonator Battery Cell 395 (SR927W)...
HAQ
Manufacturer Bulova (Citizen) Caliber Number P102 (P102.10, P102.12) Diameter 12.5”’ (about 27mm) Battery Number CR2016 (3V) Jewels 8 Frequency 262.144...