1975 Seiko Grand Quartz Day / Date electric blue parallel dial model rare 4843-7000This Watch In 1975, in the first year of its two year production, only this Grand Quartz 4843 7000 reigned supreme right next to the Quartz V. F. A. There were no other GQ calibers. The models 8030 8040 8041 were introduced much later in 1975 and made for just three years! They came with a thick steel band for the 4843 and with leather only for the 4840 & 4842. That setup never changed for this caliber. Even when the much daintier 48xx 8110 variation