Poor quality watches from Garmin

I brought a brand new watch (vivofit jr. 2 Marvel Avengers (Stretchy)) for my boy at Makro Wonderboom on the 15 December. During the national lock down the watch stop working in June. I took it in to Makro in August 2020 and ask the must repair or refund me.

on the 21 September 2020, Makro sent me a qoute for R172 to replace the battery. Reference number from GARMIN is 102680 dd 15/03/2021.

On the pamphlet it says that the battery life is about 2 years for the watch, but it kept only for 6 month.

That's for me unacceptable that I must pay for a battery for the VIVOFIT watch only after 6 month. Secondly I book the watch in, in August 2020 but the quote date is 15/03/2021. Thats how professional are GARMIN.

Please assist. '

Jacques Zeelie ***