Apple have declared that they are now increasing the service coverage for first-generation Apple Watches experiencing Battery problems to three years.
This extension is for original Apple Watch models which are experiencing swollen or expanded batteries. A public announcement about the service extension has not been made, and not clear if apple will offer reimbursements for customers who have already paid or fitted new battery replacements.
No AppleCare needed for this battery replacement..
“Apple has extended Service coverage for eligible Apple Watch (1st gen) models with an expanded/swollen battery to three years after the original date of purchase. Eligible devices will be covrered for two years beyond the original 1-year Limited Warranty.”
Reports are rare but still something to keep at the forefront of an decisions when relating to this device and repairs.