For those wondering (this may have been old news, all my recent trips until now were GH rather than HR Seattle) - the club, without club services, is open 7am-12pm only

They are doing some evening event for the holidays in the lounge Thurs-Sun, I think you have to pay to attend.

Edit - this is the event: https://www.eventbrite.com/e/enchant...-1037995230677, they offered me a $10 discount for being a Glob