свои часы

one’s watch

→ свой
phrase Uncommon #15,419
one’s watch Часы means “watch” or “clock” and is grammatically plural in Russian. Свои indicates that the watch belongs to the subject of the sentence.
RU: Она забыла свои часы дома.
EN: She forgot her watch at home.

Том починил свои часы.

Tom repaired his watch.

Ты уже нашёл свои часы?

Have you found your watch yet?

Том показал на свои часы.

Tom pointed to his watch.

Она показала на свои часы.

She pointed to her watch.

Он сам починил свои часы.

He repaired his watch himself.

Я потеряла где-то свои часы.

I lost my watch somewhere.

— Во время грозы (2018)

Дай мне свои часы.

Give me your watch.