Yes, messages and calls are displayed on the "Watch Series 9 (45 mm, Aluminium, WLAN only, M/L)".

### Displaying messages and calls
- Message and call notifications appear directly on the watch screen. For messages, you can view notifications in the Messages app.
- For calls, you hear or feel a call notification, and you can raise your wrist to display the caller.

### Reply to a message or call
- You can reply to a message directly from the watch using the Messages app. You can compose and send text messages, choose smart replies or send quick reactions such as a thumbs up or a heart.
- For calls, you can answer directly on your Apple Watch using the built-in microphone and speaker or a paired Bluetooth device. You can also put a call on hold, switch it to your iPhone or redirect it to voicemail.