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Hi @DavidJaB. Welcome to the Community Forums.
Thanks for your interest in the Sense features and let me help you with your question. While we currently don't have a time frame when the SpO2 Signature clock face and app will be available in South America, I'd recommend to keep an eye to the Help Forums or our Press Release for future updates about this or any other feature availability. Please know that our team is always working to enhance our watches and your feedback is a big part of that process
See you around.
Best Answer