diff --git a/content/en/docs/_index.md b/content/en/docs/_index.md
index 5e47f32..c05f3fe 100644
--- a/content/en/docs/_index.md
+++ b/content/en/docs/_index.md
@@ -38,6 +38,7 @@ Watches using this module include:
 | A171W | ✅     |              | A171WE (silver, black face), A171WEG (gold), A171WEGG (black), A171WEMG (gold) |
 | W-31  | ✅     |              | W-31 (vintage, stainless steel case & strap) |
 | W-78  | ✅     |              | W-78 (vintage, larger and rounder with [a bit of a 90s look](http://whichwatchtoday.blogspot.com/2014/02/casio-w-78-alarm-chronograph.html)) |
+| W-59 | ✅     |              | W-59 (50 meters water resistant) with the 'Module 590' |
 
 The 'Works' column indicates that someone has successfully transplanted the sensor watch module into that watch.
 The 'Counterfeits' column means that someone has seen probable counterfeits for sale, so extra caution is warranted.