As of watchOS 6, the Voice Memos app is now included allowing for on-the-wrist recording of audio content. Is there a hard-limit on the total duration of recordings made directly on the Apple Watch?
watchOS – Does Voice Memos App Have a Recording Time Limit?
apple-watchvoice-memo
Related Solutions
The only reason it would not last the hour would be if you didn't have room on the device to store the audio file.
Bearing this in mind before you conduct an interview make sure you have enough memory to last.
For a one hour recording you will need about 160mb of free disc space
You need to sync the voice memos via iTunes:
Best Answer
No. Charge up your battery and fill your storage space.