Watch Springs

"The spring is useless in the watch, but reveals a secret when placed correctly"

W H S D E L K W I
I I T D C Y E A N
T M O N A T N T G
H P P O N H G C V
O E P W N E R H E
U R E T O B E S X
T I D I T R E P E
W T A M F O N R S

<spoiler> Answer is the loops in the spring, five </spoiler>