1973 Dongfeng renamed as "SEAGULL", and ST-5 had became the first lot of China exported watches model.
1973年，在“東風”表基礎上創立“海鷗”品牌（中國第一隻出口的手錶）
ST5 SEAGULL Early non-date version (still using DongFeng movement)
Upper-Left : ordinary ST5 Seagull with date
UpperRight : Railway issue ST5
Lower-Left: Military ST5 for PLA
Lower-Right : National Map Drawing Bureau
左上:海鷗ST-5日歴.....右上:鐵路局定制板
左下:八一軍解放軍定制板.....右下:国家繪圖局定制板
