A:Answer Hi Elbe,
Thank you for reaching out. I appreciate your interest in whether the Galaxy Watch 4 has a fall detection feature. To answer your question, yes, it does, and when a hard fall is detected, the device makes an SOS call and sends an SOS message.
For more information, please visit the user manual on Page 41:
https://downloadcenter.samsung.com/content/UM/202108/20210817054125174/WEA_R89X_R88X_R87X_R86X_EN_UM_071621_FINAL_AC.pdf
Should you need more assistance, you may reach us via the following for immediate support:
1. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
2. Facebook Messenger: http://m.me/samsungsupport
3. Twitter: https://twitter.com/messages/compose?recepient_ id=18768513
Reference Number: 1144281828
Thank you for choosing Samsung. Have a great day!
^Chrystel