Serkisof (Turkey)
Serkisof (occasionally Serkjsof) was a wholesale importer established under the Ottoman Empire in Istanbul, Turkey. Since the 19th century, Serkisof has been the exclusive supplier of watches to the Turkish National Railways (TCDD). Serkisof pocket- and wristwatches were a common gift from for retired employees from the Turkish Railways. Serkisof also imported/produced watches for the consumer market; those from the USSR were identical to domestic Soviet watches aside from the brand on the dial.
Caliber: 2427A (21 jewels) Year: November 7, 1979 Notes: Chistopol Watch Factory Inscription: "To Dear Tanja on the day of her 25th Birthday / From relatives / 7.XI.1979"
Caliber: 2427 (27 jewels) Model: 141323 Year: 1970s Notes: Second Moscow Watch Factory
Caliber: 2209 (18 jewels) Year: 1970s Notes: Chistopol Watch Factory
Caliber: 2616.2H (23 jewels) Year: 1980s Notes: First Moscow Watch Factory
Caliber: 2609 (17 jewels) Year: 1980s Notes: First Moscow Watch Factory
Caliber: 2605 (17 jewels) Model: 363xxx Year: October 1, 1969 Notes: Turkish Railway issue wristwatch, Chistopol Watch Factory
Caliber: 2602 (15 jewels) Year: 1970s Notes: Chistopol Watch Factory
Caliber: 2209 (18 jewels) Year: 1970s Notes: Chistopol Watch Factory
Caliber: ЧК-6 (15 jewels) Model: 31К/5 Year: Q4-1965 Notes: Chelyabinsk Watch Factory
Caliber: ЧК-6 (15 jewels) Model: 31К/5 Year: Q2-1963 Notes: Chelyabinsk Watch Factory