Submarine Soviet Clock Soviet Ships USSR 12 hour Navy Russian Wall Rare
DESCRIPTION:
Soviet Ships USSR 12 hour
USSR SOVIET SUBMARINE
NAVY MARINE SHIP WALL CLOCK
Chistopol watch factory,made in 1979.
The clock comes with a wooden stand and a key.
Such ship clock was placed in the radio room on warships during the USSR.
Ship clock was produced at the Chistopol watch factory (ChCHZ).
Specifications:
1. The movement of the mechanism for 6 days after the winding spring +/- 90 sec at a temperature of (20 +/- 5) C, relative humidity 80% per day.
2. The daily movement of the mechanism in the idle position (the dial up) should be within +/- 90 seconds at a temperature of (20 +/- 5) C, relative humidity of 80% per day.
3. The temperature error of the mechanism is not more than 1 second per 1 degree per day within operating temperatures from + 50C to -25C.
4. Duration of work from a full winding-up of a winding spring for at least 5 days.
5. The mechanism on 12 stones with the anchor course.
6. The case splash-proof with a corrosion-resistant coating.
7. The clock can be made in antimagnetic design.
8.Diameter 210 mm, height 74 mm, weight about 2800 grams.
The clock has been tested and serviced by professional watchmaker.
You can find all information in the photo.
Photos-part of the description.