Buyer: request a timestamp

Create a public challenge record, then copy the message to send to the seller. They set the watch to the required time and include the handwritten Challenge ID in the photo.

Create a public challenge record (Challenge ID and required watch time), then ask the seller for a fresh timestamp photo using those values.

Reddit username or seller name

Optional, but strongly encouraged. It helps match the challenge to a listing or conversation. Usernames are entered by the challenge creator and are not verified by WatchTimestamp. If provided, a username may appear on the public challenge record and PDF.