Even 10 year old Garmin watches had this useful feature to count your laps each time you pass the starting point.
- The latest models have highly accurate GPS chips which ensure perfect working of this feature, as already demonstrated by RunSafe+, a paid CIQ app which does have this feature.
Garmin must bring this feature back which was removed for reasons unknown.
P.S. Post edited with 2 images showing the option does exist on at least two modern Garmin wearables.
Here is this feature as available in FR745, even though the FR745 owners manual makes no mention of it:
Here is this feature as described in the Fenix 7 Owners Manual: