If your Kinetic watch is moving two seconds at a time, then this is an indicator that it requires a service.
If your watch stops or loses time overnight and you have been wearing in the day, then it requires a service.
Kinetic watches MUST be cleaned, due to the gas escaping out of the obsolete Capacitor over the years, this gas is trapped in the watch and will have contaminated the oils making the movement very stiff. It then uses 12 times the normal power.
It is no use just replacing the capacitor as the new Cell will only last a few weeks.
The replacement Cell for the Capacitor (Titanium Carbon Lithium Ion) does not gas off, so this will not happen in the future once the movement has been cleaned, also it is 30 times more powerful so should last at least 20 years.
There are many people saying they will service your Kinetic for about £40, but they don't clean the movement, they only clean the case and they don't give a guarantee.