We're always happy to answer questions, help you solve issues with watch modifications, recommend other suppliers, and more. 

You can contact us through the chat buttons on the site, the form below, call us at +1-415-991-0704, or email nextseiko@gmail.com.

If you need to send us any items for service, repair or returns, our address is: 

220 Wellington Ave
PO Box 884
Ross, CA 94957

Happy modding and we hope to hear from you soon!