How to Transfer Data Between Apple Watches

You’ve just upgraded to a new Apple Watch—maybe moving from a Series 6 to a Series 9, or switching from a casual band to a sleek stainless steel model for work. The last thing you want is to lose months of activity history, custom watch faces, or your carefully curated Apple Pay cards. The good news? Transferring data from Apple Watch to Apple Watch is not only possible—it’s designed to be seamless. But there’s a catch: you must do it the right way.

Apple doesn’t allow direct transfers between watches. Instead, your data flows through your iPhone via a backup created when you unpair your old device. Skip this step, and you risk losing irreplaceable health records, workout logs, or personalized settings. In fact, the only reliable way to preserve your data is by triggering a full backup during unpairing. Once that’s done, restoring to your new watch is straightforward—provided you follow the correct process.

In this guide, you’ll learn exactly how to back up your old Apple Watch, restore all your data to the new one, troubleshoot common issues, and even use multiple watches without missing a beat in your fitness tracking.

Unpair Your Old Apple Watch to Create a Backup

Before you even touch your new Apple Watch, you must back up the old one. This step is critical—and only happens when you unpair through the Apple Watch app on your iPhone.

How to Trigger a Full Backup

1. Open the Apple Watch app on your iPhone.
2. Tap your current watch at the top.
3. Go to All Watches.
4. Tap the (i) icon next to your old Apple Watch.
5. Select Unpair Apple Watch.
6. Confirm with your Apple ID password.

⚠️ Warning: This erases your old Apple Watch completely. If you plan to sell or gift it, this is essential for security.

✅ What’s included in the backup:
– Full Activity history (rings, workouts, stand hours)
– Health data (heart rate, sleep, ECG, blood oxygen)
– Installed apps and home screen layout
– Custom watch faces and complications
– Apple Pay cards and passcode
– Notifications, alarms, and Do Not Disturb settings

💡 Pro Tip: Never manually erase your old watch. Doing so skips the backup. Always unpair through the iPhone app.

Verify iCloud Backup (Optional but Smart)

If you ever need to restore without the old watch, ensure iCloud Backup was enabled.

Check Settings:

1. On iPhone: Settings > [Your Name] > iCloud > Apple Watch
2. Make sure the toggle is green.

🔐 Note: End-to-end encrypted health data (like ECG) only backs up to iCloud if Advanced Data Protection is turned on.

Pair Your New Apple Watch and Restore from Backup

With the backup secured, it’s time to set up your new Apple Watch and bring all your data over.

Start the Pairing Process

1. Press and hold the side button on the new Apple Watch until the Apple logo appears.
2. Bring your iPhone close—the pairing screen will appear automatically.
3. Tap Continue.
4. Align the watch in the iPhone’s camera viewfinder.
5. Wait for confirmation: “Your Apple Watch Is Paired.”

🔋 Tip: Keep both devices charged and connected to Wi-Fi. A weak signal or low battery can interrupt the restore.

Choose “Restore from Backup”

When you reach the Apps & Data screen:

1. Tap Restore from Backup.
2. Select the most recent backup of your old Apple Watch.
3. Sign in with your Apple ID and password.
4. Set a passcode (you can reuse your old one).
5. Wait—this can take 5 minutes to over an hour, depending on your data.

🔄 What happens during restore:
– Apps download automatically
– Health and activity data sync from iCloud
– Watch faces reappear exactly as before
– Apple Pay cards are re-verified

📶 Pro Tip: Use a strong 5GHz Wi-Fi network. Avoid cellular-only setup to prevent timeouts.

Confirm Data Transfer and Finalize Setup

Once the restore finishes, your new Apple Watch should look and feel identical to the old one.

Check These Key Areas

• Activity app: Are your rings and workout history visible?
• Health app: Is sleep, heart rate, and ECG data intact?
• Watch face: Do complications and layout match?
• Apple Pay: Are your cards listed (even if temporarily disabled)?

If everything looks good, your transfer is complete.

Remove Old Watch from Your Account (If Done)

If you won’t reuse the old Apple Watch:

1. In the Apple Watch app: All Watches
2. Tap the (i) icon next to the old device
3. Select Forget This Apple Watch

❗ This removes Activation Lock and frees up space on your Apple ID.

Alternative: Restore from iCloud Backup (No Old Watch Access)

Lost your old watch? Already erased it? You can still transfer data—if iCloud Backup was enabled.

When This Method Works

• Old watch is broken, lost, or already wiped
• You skipped unpairing but had iCloud Backup on
• You’re setting up a replacement device

Steps:

1. Start pairing your new Apple Watch.
2. On Apps & Data, select Restore from iCloud Backup.
3. Sign in to iCloud.
4. Pick the latest backup linked to your old watch.
5. Wait for sync to complete.

⚠️ Limitation: ECG and medical data may not restore unless Advanced Data Protection was active.

Use Multiple Apple Watches with One iPhone

Yes—you can pair multiple Apple Watches to a single iPhone and keep data in sync.

How It Works

• Only one watch is active at a time.
• Each tracks activity independently.
• Data syncs to iPhone and iCloud when near.
• The active watch shows total rings from all watches.

🔄 Example: Wear Watch A during the day, switch to Watch B at night for sleep tracking. Both contribute to your daily goals.

Best Practices for Multi-Watch Users

1. Sync After Every Use
   Leave each watch near your iPhone for 1–2 minutes after removal.

2. Rename Your Watches
   In Apple Watch app > All Watches, label them (e.g., “Workout Watch”, “Dress Watch”).

3. Keep All Updated
   Run latest watchOS and iOS to avoid sync bugs.

4. Enable Find My
   Protects each watch with Activation Lock.

💬 Real experience: “I have three Apple Watches. I swap daily. As long as each syncs with my iPhone, my activity totals are always accurate.”

Fix Missing Data After Transfer

Sometimes, data doesn’t appear right away. Here’s how to fix common issues.

Backup Not Showing Up

Cause: Backup failed or wasn’t created.
Fix: Re-unpair the old Apple Watch to force a new backup.

✅ Always unpair through the iPhone app—not by erasing the watch manually.

Health or Activity Data Missing

Cause: iCloud Backup was off.
Fix: Restore from a local iPhone backup (via Finder/iTunes).

🔐 Local backups can preserve health data even without iCloud.

Delayed Ring Updates on Secondary Watch

Cause: Sync delay.
Fix: Bring the watch within 6 inches of your iPhone and wait 1–2 minutes.

🔄 Data syncs through the iPhone—not directly between watches.

Apple Pay Cards Not Restored

Cause: Security verification pending.
Fix: Open Wallet, tap Apple Pay, and re-authenticate.

✅ Cards aren’t gone—they’re temporarily disabled.

Apps Not Installing

Cause: Poor Wi-Fi or low storage.
Fix:
– Connect to Wi-Fi
– Restart Apple Watch
– Check storage in Settings > General > About

🛠️ Advanced Fix: Erase the new watch (Settings > General > Reset > Erase All Content and Settings) and retry restore.

What Gets Transferred (And What Doesn’t)

🔒 Medical ID, ECG, and blood oxygen data restore only to trusted devices.

Transfer Time Based on Data Size

📶 Speed Tips:
– Use 5GHz Wi-Fi
– Close background iPhone apps
– Ensure iPhone has at least 50% battery

💬 User insight: “Took about 40 minutes to transfer two years of workout data. Everything came over perfectly.”

Works Across All Models and Sizes

You can transfer data between any Apple Watch models, including:
– Series 4 → Series 9
– 41mm → 45mm
– Aluminum → Stainless Steel → Titanium
– GPS → Cellular
– SE → Ultra

✅ Example: Moving from Apple Watch SE (GPS) to Apple Watch Ultra 2 (Cellular) retains full functionality.

⚠️ Exception: Older watches may need a watchOS update before pairing.

Best Practices for Zero Data Loss

1. Update iPhone and watchOS before starting.
2. Charge both devices (iPhone ≥50%, Apple Watch fully charged).
3. Use Wi-Fi, not cellular, for stable transfer.
4. Wait for full sync before switching watches.
5. Enable Find My Apple Watch on all paired devices.

Final Note: Transferring data from Apple Watch to Apple Watch is simple when done right—but irreversible if mishandled. Always unpair the old watch first to create a backup, choose Restore from Backup during setup, and allow time for full sync. Whether upgrading or rotating between multiple watches, this method ensures your health, fitness, and lifestyle data stays complete, secure, and always up to date.