Seiko Watch "Cased in China" stamped onto back? [SND253]

Hey everyone! I saw a Seiko 7T92 watch being sold right now and was wondering what this "cased in china" stamp is? I searched online but couldn't find too much information about it. Thanks! (I am a beginner watch enthusiast)

https://preview.redd.it/jrevshry6p6e1.jpg?width=1600&format=pjpg&auto=webp&s=c481940db1696b18046c34c3f499ce697892692b