The FAMOUS " ROCKET WITH CITIES". WORKERS SERVED BY THE MASTER. MECHANISM 2628 WITH DOUBLE CALENDAR. The Petrodvorets watch factory began production of the "model cities" in the 1970-ies. Using an external scale with the names of 24 localities located in 24 time zones, it was possible to find out the time in each of them.The list included Magadan and New York, Tashkent and Geneva. Case diameter : 43 mm without crown. Lug width - 18 mm. Lug to lug 37 mm. Also, I ask you to keep in mind if there are 2 or more items in the lot, then minimal differences are possible these are such as small scratches in different places, minor differences in printed materials, I ask you to name this in view of (as an option, you can request a photo before sending). If you have any problems or questions, write, we will solve everything together.