I am going through a bit of Chipageddon drama on the next production run of the carrier boards. I hope to get this sorted this week and then, yes, I would be glad to sell you one.
The issue is that there is no longer any availability for the AB1805-T3 RTC / Watchdog - globally.
I am pursuing a supply of AM1805AQ devices which @jgskarda identified as a drop-in replacement here:
I will let you know when I have this sorted (hopefully in the next few days).