It was made in Switzerland in 1960s
Its measuring unit is 0.1 sec. 
It can measure up to 60 minutes.

This is not a pocket watch but a timer. It does not tell the time, it records the time and has a split seconds function, also known as a rattrepante. This timer comes from the famous watch house of LEMANIA and is also unusual due to the size and duration of the register on the dial.

Movement - the gilt 3/4 plate movement has explosed steel work for the start, stop, fly back and reset split seconds chronograph function with 60 minute register. The movement is numbered 1183880 and is in 95% mint condition.

Case - the movement comes in a large chromed open face case, which has a hinged inner, back and snap on bazel. The case is in 90 % mint condition - light surface scratches, chrome of the back cover has come off, the start button blocker has a crack, but work good, overall a superb case.

Dial - the white ceramic dial has two steel split seconds hands and a large blue steel register hand on the 60 minute register in the center of the dial. 

The dial is signed "Nero Lemania"

Size approx.

Case diameter (with no crown and knobs) is 65mm. 
Watch thickness is 26 mm.
Weight is 225 grams.
The movement contains ruby jewels. It is mechanical and needs to be wound.

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