This piece of Omega pocket stop watch is manufactured in year 1952

It has a sweep second hand that records intervals of up to a minute. After this time, the minute counter comes into play, which enables periods of time up to half an hour to be tracked.

Movement is signed “Omega, Swiss, 7 Jewels” on its mechanism, together with the calibre number 5390 and the serial number 1515705 .

Clicking the button on the side to start and stop the chronograph mechanism working.

这件欧米茄秒表是在1952年制造的

它有一个扫描的秒针记录最多一分钟的间隔。 随后，那小分钟计数器就开始计时间，这样可以追溯到半小时的时间。机芯上签署了“欧米茄，瑞士，7宝石”，以及5390和1515705型号。