diff --git a/services/backup/java/com/android/server/backup/FullBackupJob.java b/services/backup/java/com/android/server/backup/FullBackupJob.java
index fe0e1c6b6fcb4..de33698c9d226 100644
--- a/services/backup/java/com/android/server/backup/FullBackupJob.java
+++ b/services/backup/java/com/android/server/backup/FullBackupJob.java
@@ -24,6 +24,7 @@ import android.app.job.JobScheduler;
 import android.app.job.JobService;
 import android.content.ComponentName;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.util.SparseArray;
 
@@ -52,13 +53,15 @@ public class FullBackupJob extends JobService {
         JobInfo.Builder builder = new JobInfo.Builder(getJobIdForUserId(userId), sIdleService);
         final BackupManagerConstants constants = userBackupManagerService.getConstants();
         synchronized (constants) {
-            builder.setRequiresDeviceIdle(true)
-                    .setRequiredNetworkType(constants.getFullBackupRequiredNetworkType())
+            builder.setRequiredNetworkType(constants.getFullBackupRequiredNetworkType())
                     .setRequiresCharging(constants.getFullBackupRequireCharging());
         }
         if (minDelay > 0) {
             builder.setMinimumLatency(minDelay);
         }
+        if (!ctx.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH)) {
+            builder.setRequiresDeviceIdle(true);
+        }
 
         Bundle extraInfo = new Bundle();
         extraInfo.putInt(USER_ID_EXTRA_KEY, userId);
diff --git a/services/robotests/backup/src/com/android/server/backup/FullBackupJobTest.java b/services/robotests/backup/src/com/android/server/backup/FullBackupJobTest.java
index c8797e25b7407..da0adb55c0736 100644
--- a/services/robotests/backup/src/com/android/server/backup/FullBackupJobTest.java
+++ b/services/robotests/backup/src/com/android/server/backup/FullBackupJobTest.java
@@ -19,10 +19,13 @@ package com.android.server.backup;
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Mockito.when;
+import static org.robolectric.Shadows.shadowOf;
 
 import android.annotation.UserIdInt;
+import android.app.job.JobInfo;
 import android.app.job.JobScheduler;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.os.Handler;
 import android.os.UserHandle;
 import android.platform.test.annotations.Presubmit;
@@ -86,6 +89,25 @@ public class FullBackupJobTest {
         assertThat(mShadowJobScheduler.getPendingJob(getJobIdForUserId(mUserTwoId))).isNotNull();
     }
 
+    @Test
+    public void testSchedule_notWatch_requiresDeviceIdle() {
+        shadowOf(mContext.getPackageManager())
+                .setSystemFeature(PackageManager.FEATURE_WATCH, false);
+        FullBackupJob.schedule(mUserOneId, mContext, 0, mUserBackupManagerService);
+
+        JobInfo pendingJob = mShadowJobScheduler.getPendingJob(getJobIdForUserId(mUserOneId));
+        assertThat(pendingJob.isRequireDeviceIdle()).isTrue();
+    }
+
+    @Test
+    public void testSchedule_isWatch_doesNotRequireDeviceIdle() {
+        shadowOf(mContext.getPackageManager()).setSystemFeature(PackageManager.FEATURE_WATCH, true);
+        FullBackupJob.schedule(mUserOneId, mContext, 0, mUserBackupManagerService);
+
+        JobInfo pendingJob = mShadowJobScheduler.getPendingJob(getJobIdForUserId(mUserOneId));
+        assertThat(pendingJob.isRequireDeviceIdle()).isFalse();
+    }
+
     @Test
     public void testCancel_afterCancelling_jobDoesntExist() {
         FullBackupJob.schedule(mUserOneId, mContext, 0, mUserBackupManagerService);