1974 Citizen - Challenge Timer "Bullhead" Flyback Chronograph ref. 67-9011 Released in the 1970s prior to the Octa Bullhead, this model… | 𝕁𝔻𝕄 ℍ𝕠𝕣𝕠𝕝𝕠𝕘𝕚𝕤𝕥 (@jdm_horologist) on Instagram
Citizen - "NO RESERVE PRICE" Vintage Automatic Chronograph Flyback Cal.8110 - Men - 1970-1979 in Turkey