One watchlist
Keep products from different UK retailers together with their latest price and availability.
Private One Piece TCG tracker
Know when the listing you want changes.
Grand Line Watch monitors retailer pages, records price and stock history, and sends the alerts that matter to you.
Watch status
Monitoring active
OP-17 Booster Box
Pre-order
£94.95
One Piece Starter Deck
In stock
£11.99
Japanese Booster Box
Watching
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Automatic checks
A dedicated background worker revisits tracked listings on your schedule and records each result.
Useful alerts
Receive Telegram messages for stock changes, pre-orders, target prices, and repeated failures.
Simple setup
From product page to useful alert
1
Find a retailer product or paste its URL
2
Choose how often Grand Line Watch should check it
3
Add an alert and let the worker monitor it