The case in Rayleigh, Essex, demonstrates how a smartwatch alert helped summon help and protect a domestic violence victim during an attack.
Police and prosecutors said the assault occurred on two occasions and the victim relied on the wearable device to raise the alarm.
Roy Gibbs, aged 65, admitted to attacking the woman on two occasions in a domestic violence assault in Rayleigh.
The court heard evidence of the impact on the victim and the smartwatch notification played a crucial role in securing intervention.
The judge handed Gibbs a suspended sentence after considering his age and the circumstances.
Gibbs was ordered to comply with conditions and to engage with rehabilitation as directed by the court.
The case highlights the growing role of technology in protecting victims of domestic violence and the importance of timely legal responses.