diff --git a/nv.d3.js b/nv.d3.js
index fb994c3..11fb647 100644
--- a/nv.d3.js
+++ b/nv.d3.js
@@ -10573,13 +10573,15 @@ nv.models.pie = function() {
     , startAngle = false
     , endAngle = false
     , donutRatio = 0.5
-    , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
+    , duration = 250
+    , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
     ;
 
   //============================================================
-
+  var renderWatch = nv.utils.renderWatch(dispatch);
 
   function chart(selection) {
+    renderWatch.reset();
     selection.each(function(data) {
       var availableWidth = width - margin.left - margin.right,
           availableHeight = height - margin.top - margin.bottom,
@@ -10748,7 +10750,7 @@ nv.models.pie = function() {
 
               return Math.floor(coordinates[0]/avgWidth) * avgWidth + ',' + Math.floor(coordinates[1]/avgHeight) * avgHeight;
           };
-          pieLabels.transition()
+          pieLabels.watchTransition(renderWatch,'pie labels')
                 .attr('transform', function(d) {
                   if (labelSunbeamLayout) {
                       d.outerRadius = arcRadius + 10; // Set Outer Coordinate
@@ -10819,6 +10821,7 @@ nv.models.pie = function() {
 
     });
 
+    renderWatch.renderEnd('pie immediate');
     return chart;
   }
 
@@ -10952,6 +10955,13 @@ nv.models.pie = function() {
     labelThreshold = _;
     return chart;
   };
+
+  chart.duration = function(_) {
+    if (!arguments.length) return duration;
+    duration = _;
+    renderWatch.reset(duration);
+    return chart;
+  };
   //============================================================
 
 
@@ -10980,6 +10990,7 @@ nv.models.pieChart = function() {
     , state = {}
     , defaultState = null
     , noData = "No Data Available."
+    , duration = 250
     , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState','renderEnd')
     ;
 
@@ -11006,6 +11017,8 @@ nv.models.pieChart = function() {
 
   function chart(selection) {
     renderWatch.reset();
+    renderWatch.models(pie);
+
     selection.each(function(data) {
       var container = d3.select(this),
           that = this;
@@ -11247,6 +11260,14 @@ nv.models.pieChart = function() {
     return chart;
   };
 
+  chart.duration = function(_) {
+    if (!arguments.length) return duration;
+    duration = _;
+    renderWatch.reset(duration);
+    pie.duration(duration);
+    return chart;
+  };
+
   //============================================================
 
 
diff --git a/src/models/pie.js b/src/models/pie.js
index fa2d436..eaa68c0 100644
--- a/src/models/pie.js
+++ b/src/models/pie.js
@@ -23,13 +23,15 @@ nv.models.pie = function() {
     , startAngle = false
     , endAngle = false
     , donutRatio = 0.5
-    , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
+    , duration = 250
+    , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
     ;
 
   //============================================================
-
+  var renderWatch = nv.utils.renderWatch(dispatch);
 
   function chart(selection) {
+    renderWatch.reset();
     selection.each(function(data) {
       var availableWidth = width - margin.left - margin.right,
           availableHeight = height - margin.top - margin.bottom,
@@ -198,7 +200,7 @@ nv.models.pie = function() {
 
               return Math.floor(coordinates[0]/avgWidth) * avgWidth + ',' + Math.floor(coordinates[1]/avgHeight) * avgHeight;
           };
-          pieLabels.transition()
+          pieLabels.watchTransition(renderWatch,'pie labels')
                 .attr('transform', function(d) {
                   if (labelSunbeamLayout) {
                       d.outerRadius = arcRadius + 10; // Set Outer Coordinate
@@ -269,6 +271,7 @@ nv.models.pie = function() {
 
     });
 
+    renderWatch.renderEnd('pie immediate');
     return chart;
   }
 
@@ -402,6 +405,13 @@ nv.models.pie = function() {
     labelThreshold = _;
     return chart;
   };
+
+  chart.duration = function(_) {
+    if (!arguments.length) return duration;
+    duration = _;
+    renderWatch.reset(duration);
+    return chart;
+  };
   //============================================================
 
 
diff --git a/src/models/pieChart.js b/src/models/pieChart.js
index 0f34c8a..c04328a 100644
--- a/src/models/pieChart.js
+++ b/src/models/pieChart.js
@@ -21,6 +21,7 @@ nv.models.pieChart = function() {
     , state = {}
     , defaultState = null
     , noData = "No Data Available."
+    , duration = 250
     , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState','renderEnd')
     ;
 
@@ -47,6 +48,8 @@ nv.models.pieChart = function() {
 
   function chart(selection) {
     renderWatch.reset();
+    renderWatch.models(pie);
+
     selection.each(function(data) {
       var container = d3.select(this),
           that = this;
@@ -288,6 +291,14 @@ nv.models.pieChart = function() {
     return chart;
   };
 
+  chart.duration = function(_) {
+    if (!arguments.length) return duration;
+    duration = _;
+    renderWatch.reset(duration);
+    pie.duration(duration);
+    return chart;
+  };
+
   //============================================================