diff --git a/core/res/res/values-watch/dimens.xml b/core/res/res/values-watch/dimens.xml
index c7caa395f322d..cf75e7f763469 100644
--- a/core/res/res/values-watch/dimens.xml
+++ b/core/res/res/values-watch/dimens.xml
@@ -25,4 +25,9 @@
     <dimen name="aerr_list_item_height">52dp</dimen>
     <!-- Padding for contents in a view of BaseErrorDialog such as a title and buttons -->
     <dimen name="base_error_dialog_contents_padding">14dp</dimen>
+
+    <!-- The width/height of the icon view on staring surface. -->
+    <dimen name="starting_surface_icon_size">48dp</dimen>
+    <!-- The default width/height of the icon on the spec of adaptive icon drawable. -->
+    <dimen name="starting_surface_default_icon_size">48dp</dimen>
 </resources>