Re: which binoculars ??
I've got a Nikon Ocean Pro and a WM Tahiti. Both at 7x50 and both have compass.
Optically he Nikon is remarkable, the Tahiti is fine as a second pair.
You definitely want 7x50, its the right trade off of mag power and stability. The compass is nice feature but too jumpy to get an accurate bearing (I use a proper hand bearing compass for that ... I like the hockey puck style)
I do use the compass though ... say I'm looking for a marker and I know it should be at ~235 degrees ... the compass is very helpful in those instances.
1977 Bristol 29.9