{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-10-21T03:08:23+00:00","price":"39.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DGTF19QL?maas=maas_adg_api_592652063461836999_static_12_45&ref_=aa_maas&tag=maas&aa_campaignid=PB773ca76f07c68ab2002942f35ce94d85_1ef46844d666&aa_adgroupid=595cfef43f6b63400d90d3faee3d246c_PBSEP_!!!affid!!!_118045_&aa_creativeid=08f3H16U72V75XQIBuqH4WIfSGf3u10ghpqF9DojgNW_a4S0_c"}],"product":{"brand":"SOUYIE-UK","evidence_url":"https://mainbuyer.com/evidence/products/smart-watch-for-men-women-100-sport-modes-fitness-tracker-1-99-amoled-display-3atm-waterproof-smartwatch-blood-pressure-heart-rate-blood-oxygen-s-b0dgtf19ql/prices","gtin":null,"id":18862,"model_number":null,"name":"Smart Watch for Men Women, 100 Sport Modes Fitness Tracker, 1.99\" AMOLED Display, 3ATM Waterproof Smartwatch, Blood Pressure Heart Rate Blood Oxygen S","product_url":"https://mainbuyer.com/product/smart-watch-for-men-women-100-sport-modes-fitness-tracker-1-99-amoled-display-3atm-waterproof-smartwatch-blood-pressure-heart-rate-blood-oxygen-s-b0dgtf19ql","urn":"MB-AWIN-GB-B0DGTF19QL"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"39.99","historical_low":"39.99","last_observed_at":"2026-10-21T03:08:23+00:00","low_30d":"39.99","low_90d":"39.99","median_price":"39.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-21T03:08:23+00:00"}}