Sturmanskie Luna - 25 Chrono 6S21-​4791413 Movement: 6S21 quartz Chronograph Date calendar with quick setting via the crown Case:stainless steel Diameter: 45 mm Height: approx. 12 mm Water resistance: up to 10 atm Glass: mineral crystal Case back: screw-in Limited Edition Original Sturmanskie genuine leather strap Original Sturmanskie gift box Warranty pass with operating instructions Luna-25 ("Moon-25") is the first Russian lunar mission to explore and use the near-moon space using automatic interplanetary stations, carried out by the NPO S. A. Lawotschkin. The name of the project is designed to emphasize the continuity of the Soviet lunar program, the last device that Luna-24 was launched in 1976. The landing of the probe is planned in the area of the south pole of the moon. The polar regions of the Moon are the most promising for research: the lunar pole can be compared to a natural refrigerator, where cold traps of polar regolith hundreds of millions of years have accumulated and preserved layers with all the cosmic volatile substances that ever hit the Earth’s satellite. Scientific instruments of the Moon-25 will study the composition of these substances and evaluate the mass fraction of frozen water. Its presence will free the astronauts from the need to deliver water from the earth, and it can also be used to produce oxygen, and possibly hydrogen fuel. Sturmanskie watches have always been associated with space (exploration). The revival of the country's lunar program is important for the Russian space program and, therefore, navigators celebrate a new step of the lunar mission with the creation of the Luna-25 collection. Luna-25 is a line whose concept faces the future with a modern sporty style chronograph equipped with a central chronograph and three counters. The dynamic design of the case is modern but highly inspired by the great era of Soviet cosmonautics from the Sixties/Seventies. The color scheme of the collection - mainly in dark colors with luminous elements - symbolizes the depth of the endless outer space, into which today, more than ever, the thoughts of mankind are directed. Each piece comes with one pre-mounted leather strap in a beautiful Sturmanskie gift box.