Original wall clocks ship in a completely sealed cast steel housing. Design watch is made in the form of ship inspection porthole with germetizatsionnymi gaskets and locking glass lid. The watch case is covered with weather-resistant resin enamel with a range of variation of colors from gray to light beige ivory. Complete body tightness allows you to use the clock in any weather conditions at any fat content of impurities in the air atmosphere. For example, in the kitchen of a restaurant or cafe, industrial or office space. Included with the clock comes with a special thumb key with which to open and watch them as the plant produced the clock spring pendulum mechanism. The high accuracy of the balance of the cavity is achieved by adjusting, if necessary, an additional lever, located at the top of the dial, under the metal welt opens the lid hours. Predominant feature of this watch is that the duration of the clock mechanism when fully wound the clock spring is 7 days.