Expedition North Pole-1 (Ceверный полюс-1) was the first Soviet manned drifting station used for scientific hydrological and geographical research of polar area. The North Pole-1 polar station was opened on June 6, 1937 some 20 kilometers from the North Pole and operated for 9 months, during which the ice floe travelled 2,850 kilometers. The expedition ended 75 years ago - on February 19, 1938 the Soviet ice breakers took four polar explorers , hydrobiologist Piotr Shirshov, geophysicist Yevgeny Fiodorov, radioman Ernst Krenlek and the leader Ivan Papaninov, from the station close to the eastern coast of Greenland.
|Movement||24 jewel decorated automatic NH35 SII Japanese movement. Can be hand wound and second stop (hack) is possible.|
|Tolerance||Main daily rate from -10 to +30 s/day|
|Subdials||24-hours disc; Day & Night Indicator|
|Calendar||Between 4 and 5 O'clock Position|
|Crystal||Anti-reflective mineral crystal, 4.5 mm thick, semi-domed|
|Case Material||316L Surgical Grade Stainless Steel w/Matte Finishing|
|Case Width||47 mm across. 18 mm thick.|
|Case Back||Closed etched caseback|
|Strap Measurement||24 mm|
|Water Resistance||20 ATM -- 200 Meters -- 656 Feet|
|Other Features||True numbered limited edition of only 3000 per dial|
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