diff --git a/changedetectionio/api/api_v1.py b/changedetectionio/api/api_v1.py
index 783827ca..052bc94e 100644
--- a/changedetectionio/api/api_v1.py
+++ b/changedetectionio/api/api_v1.py
@@ -76,7 +76,7 @@ class Watch(Resource):
         # Properties are not returned as a JSON, so add the required props manually
         watch['history_n'] = watch.history_n
         watch['last_changed'] = watch.last_changed
-
+        watch['viewed'] = watch.viewed
         return watch
 
     @auth.check_token
@@ -280,11 +280,14 @@ class CreateWatch(Resource):
             if tag_limit and not any(v.get('title').lower() == tag_limit for k, v in tags.items()):
                 continue
 
-            list[uuid] = {'url': watch['url'],
-                       'title': watch['title'],
-                       'last_checked': watch['last_checked'],
-                       'last_changed': watch.last_changed,
-                       'last_error': watch['last_error']}
+            list[uuid] = {
+                'last_changed': watch.last_changed,
+                'last_checked': watch['last_checked'],
+                'last_error': watch['last_error'],
+                'title': watch['title'],
+                'url': watch['url'],
+                'viewed': watch.viewed
+            }
 
         if request.args.get('recheck_all'):
             for uuid in self.datastore.data['watching'].keys():
diff --git a/changedetectionio/model/Watch.py b/changedetectionio/model/Watch.py
index 50cbb6b3..a4774efc 100644
--- a/changedetectionio/model/Watch.py
+++ b/changedetectionio/model/Watch.py
@@ -113,7 +113,8 @@ class model(dict):
 
     @property
     def viewed(self):
-        if int(self['last_viewed']) >= int(self.newest_history_key) :
+        # Don't return viewed when last_viewed is 0 and newest_key is 0
+        if int(self['last_viewed']) and int(self['last_viewed']) >= int(self.newest_history_key) :
             return True
 
         return False
diff --git a/changedetectionio/tests/test_api.py b/changedetectionio/tests/test_api.py
index 23051454..8f0eb949 100644
--- a/changedetectionio/tests/test_api.py
+++ b/changedetectionio/tests/test_api.py
@@ -96,7 +96,9 @@ def test_api_simple(client, live_server):
     )
     assert watch_uuid in res.json.keys()
     before_recheck_info = res.json[watch_uuid]
+
     assert before_recheck_info['last_checked'] != 0
+
     #705 `last_changed` should be zero on the first check
     assert before_recheck_info['last_changed'] == 0
     assert before_recheck_info['title'] == 'My test URL'
@@ -157,6 +159,18 @@ def test_api_simple(client, live_server):
     # @todo how to handle None/default global values?
     assert watch['history_n'] == 2, "Found replacement history section, which is in its own API"
 
+    assert watch.get('viewed') == False
+    # Loading the most recent snapshot should force viewed to become true
+    client.get(url_for("diff_history_page", uuid="first"), follow_redirects=True)
+
+    # Fetch the whole watch again, viewed should be true
+    res = client.get(
+        url_for("watch", uuid=watch_uuid),
+        headers={'x-api-key': api_key}
+    )
+    watch = res.json
+    assert watch.get('viewed') == True
+
     # basic systeminfo check
     res = client.get(
         url_for("systeminfo"),