Hi. I want to buy one that with basic functions like heart rate, calories burned, distance (for jogging), sleep tracker.

Been using phone only to track my jogging, but too heavy to keep phone in pocket.
Wanna start back my swimming, I'm looking for a watch that can track swimming activities as well..

Dont need the smart phone functions like receive phone call yadayada...

Huawei band 2 pro with gps seems to have the function, and within my low budget, but it's not available in official huawei/honor website. So not sure bout buying it from lazada (original?)

Going through fitbit website, too many models, plus the price tag too high.. same with garmin..

Any other recommendation? 

Mi band - cheap, small, very long battery life
Fitbit - $$, short battery life
Apple Watch - $$$$$ too big, Vert short battery life
Never tried garmin.
So, for everyday I wear mi band.

Galaxy active / galaxy watch has one of the most accurate gps and step counters.

Mi band / honor are quite sampah in terms of accuracy, especially if you move your hands when you talk a lot.

It can easily overcount as much as 10-15%. Whereas samsung counts accurately even if you are walking while carrying heavy loads (so your hands dont move as much, or in fixed position).

I would only say the bad thing about the accuracy is the floors climbed tracker - can be somewhat inaccurate but maybe the floor was not high enough lol.