Rare watch Vostok Saturn, Vintage Soviet watchThis rare Vostok "Saturn" wristwatch from the 1960s is an exceptional piece of Soviet horological history, distinguished not only by its Caliber 2605 manual wind movement but also by the unique day calendar window positioned at the 12 o'clock marker. The day display adds a practical and rare complication for a watch of this era, especially within the Soviet watchmaking industry. The watch features a 33,5 mm stainless steel case with a cream colored