watchOS 4.3.2 (15U70) for Apple Watch Series 1 (38mm)

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watchOS 4.3.2 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update includes improvements and bug fixes.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222