Japan Used Watch Market — Search, Stats, History & Alerts
Pricing
from $2.40 / 1,000 listings
Search, benchmark and monitor Japan's used watch shops (WATCHNIAN, Hard Off) in one schema: canonical brands, reference numbers, normalized grades, box & warranty card, JPY/USD. Median prices per model, daily price history, NEW / PRICE_DROP alerts to Slack, Discord, n8n.
You can access the Japan Used Watch Market — Search, Stats, History & Alerts programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.
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History is collected since 2026-11-05 (WATCHNIAN daily, Off Mall weekly) — treat the first 30 days as indicative.", "default": "search" }, "sources": { "title": "Shops", "type": "array", "description": "Which shops to search. WATCHNIAN (Ippuukishi, ~3,900 used watches, with box / warranty-card info from product pages) and Hard Off Off Mall (~24,000 wristwatches on sale, nationwide stores).", "items": { "type": "string", "enum": [ "watchnian", "offmall" ], "enumTitles": [ "WATCHNIAN (ウォッチニアン, formerly 一風騎士) — all used watches", "Hard Off Off Mall (ハードオフ オフモール) — wristwatches on sale" ] }, "default": [ "watchnian", "offmall" ] }, "keywords": { "title": "Keywords (OR)", "type": "array", "description": "Only keep listings whose brand + title contains any of these (case-insensitive, English or Japanese; reference numbers work too). Leave empty to get everything. Examples: \"Grand Seiko\", \"SBGA211\", \"Speedmaster\", \"16233\", \"G-SHOCK\".", "items": { "type": "string" } }, "brands": { "title": "Brands", "type": "array", "description": "Optional exact brand filter (canonical English names, e.g. Rolex, Omega, Grand Seiko, Seiko, Casio G-SHOCK, Citizen, Cartier, TAG Heuer).", "items": { "type": "string" } }, "models": { "title": "Model keys (history mode)", "type": "array", "description": "History mode: only these exact model keys, as shown in the \"model\" field of stats mode (\"brand ref\", e.g. \"omega 3510.50\", \"grand seiko sbga211\", \"rolex 16233\").", "items": { "type": "string" } }, "days": { "title": "Days of history (history mode)", "minimum": 1, "maximum": 3650, "type": "integer", "description": "History mode: how many days back to return, counting today (JST).", "default": 90 }, "minPriceJpy": { "title": "Min price (JPY)", "minimum": 0, "type": "integer", "description": "Drop listings cheaper than this." }, "maxPriceJpy": { "title": "Max price (JPY)", "minimum": 0, "type": "integer", "description": "Drop listings more expensive than this." }, "grades": { "title": "Condition grades", "type": "array", "description": "Keep only these normalized grades. NEW > UNUSED > SA (like new) > A > AB > B > C > JUNK (not working / parts); ANTIQUE = ungraded antique pieces.", "items": { "type": "string", "enum": [ "NEW", "UNUSED", "SA", "A", "AB", "B", "C", "JUNK", "ANTIQUE" ] } }, "includeSoldOut": { "title": "Include sold-out listings", "type": "boolean", "description": "Search mode: also return listings marked sold out. Both shops list watches on sale only, so this rarely changes anything.", "default": false }, "fullScan": { "title": "Full scan (monitor mode)", "type": "boolean", "description": "Monitor mode only. Off (default): lists are read newest-first and stop after 20 already-known listings in a row (normally 1 request per shop per run). On: read every page (WATCHNIAN ≈ 66 pages, ~3 min; Off Mall ≈ 800 pages, ~27 min) to catch every PRICE_DROP / PRICE_UP / SOLD_OUT. Tip: frequent light runs plus a daily full scan of WATCHNIAN only.", "default": false }, "monitorId": { "title": "Monitor ID (monitor mode)", "type": "string", "description": "Optional. Each monitor keeps its own snapshot, keyed by its filters (keywords, brands, grades, price range, includeSoldOut). Set a monitorId to separate several schedules that use the same filters, or to keep the snapshot when you edit the filters. Letters, digits and - _ . only." }, "maxItems": { "title": "Max listings", "minimum": 0, "type": "integer", "description": "Stop after this many matching listings across all selected shops (0 = no limit). WATCHNIAN has ~3,900 used watches, Off Mall ~24,000. In search mode each returned WATCHNIAN listing also costs one product-page request (for box / warranty card). Ignored in monitor mode.", "default": 200 }, "jpyPerUsd": { "title": "JPY per USD", "minimum": 1, "type": "number", "description": "Exchange rate used for priceUsd. Leave empty to fetch the current rate automatically." }, "alertWebhookUrl": { "title": "Alert webhook URL (monitor mode)", "type": "string", "description": "Optional. In monitor mode every batch of monitor events is POSTed as JSON to this URL. Works with Slack/Discord incoming webhooks, n8n, Make, Zapier." }, "alertEvents": { "title": "Monitor events to output", "type": "array", "description": "Monitor mode: only these event types are written to the dataset, charged, and sent to the webhook.", "items": { "type": "string", "enum": [ "NEW", "PRICE_DROP", "PRICE_UP", "SOLD_OUT" ] }, "default": [ "NEW", "PRICE_DROP" ] }, "proxyConfiguration": { "title": "Proxy", "type": "object", "description": "Off by default (direct connection). 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