The cause of the time freeze... was just a dead battery?! The Odd Jobs realize that the Universal Clock running out of battery was the reason the world's time came to a stop. They try to replace the battery, but it's apparently a special make not available on Earth.
The Watchmen of Time who 
were protecting this clock
قد يكون لدى حرّاس الوقت المكلّفون بحماية الساعة
Los Vigilantes del Tiempo 
a cargo de protegerlo
Os Vigilantes do Tempo 
que protegiam o relógio