Best Activity/Fitness Tracker/Smartwatch??

I have a fitbit zip for day-to-day and a TomTom Multisport for activities.

The Tomtom has GPS and fixes pretty quickly, and numerous activity settings and options within this. Can be set to cycle, with an optional cadence sensor, run setting with intervals, laps etc. freestyle for day-to-day hiking, swim settings counting strokes etc. It is water-resistant which is a bonus for me.

I use a cheststrap HR monitor when I feel like it, and most wrist HR's seem to be somewhat off. It doesn't count steps but I wear my fitbit for that.

I have it synced to Strava, and Strava synced to MFP. Information from the watch has to be uploaded to the TomTom connect site, but syncs immediately to Strava for me. I prefer the interface of Strava for looking at data (today I found out I am top of a leader board for a segment!!). I also think it is better for its GPS measurements (it recalculates time spent moving better if I have paused the watch and sat down for lunch!)

I don't like to wear a watch on a day-to-day basis, I don't need any MORE notifications from my smartphone that someone has FB messaged me or suchlike, I just want something I can put on when I do an exercise and give me some data.

I have a Garmin forerunner 735, and while it was pricey, it has been the best money I ever spent. It automatically yncs with myfitnesspal app, tracks my steps, tracks with both a chest strap and a wrist heart rate monitor, calculates my recovery time, and has activity settings for swimming, running, biking, cardio etc... it also tells me my exact calories burned in a day and tracks my running stats like vertical oscillation and stride length. Finally, it also notifies me when I get phone calls, texts, messages, and when my phone battery is dying.