diff --git a/mopidy/backends/base/playback.py b/mopidy/backends/base/playback.py
index 88617d83..2cf15629 100644
--- a/mopidy/backends/base/playback.py
+++ b/mopidy/backends/base/playback.py
@@ -370,6 +370,9 @@ class BasePlaybackController(object):
             self.next()
             return
 
+        self._play_time_started = self._current_wall_time
+        self._play_time_accumulated = time_position
+
         self._seek(time_position)
 
     def _seek(self, time_position):
diff --git a/mopidy/frontends/mpd/protocol/playback.py b/mopidy/frontends/mpd/protocol/playback.py
index cf803c6d..58cd02fd 100644
--- a/mopidy/frontends/mpd/protocol/playback.py
+++ b/mopidy/frontends/mpd/protocol/playback.py
@@ -293,7 +293,7 @@ def seek(frontend, songpos, seconds):
         Seeks to the position ``TIME`` (in seconds) of entry ``SONGPOS`` in
         the playlist.
     """
-    raise MpdNotImplemented # TODO
+    return frontend.backend.playback.seek(int(seconds) * 1000)
 
 @handle_pattern(r'^seekid "(?P<cpid>\d+)" "(?P<seconds>\d+)"$')
 def seekid(frontend, cpid, seconds):