iPhone & Apple Watch - outgoing call audio
Is there any combination of an iPhone, Apple Watch and bluetooth headphones which provides communication option by bluetooth headphones instead of forced default Apple Watch speakerphone in case of making of outgoing calls. I'd like to emphasize that question is strictly directed on outgoing calls, incoming calls makes no problem at all.
Thanks a lot.
Apple Watch, watchOS 3.1, iPhone 7 Plus with iOS 10.2