- 🟠 THIN COMP. Only 8 eBay sale(s) in past 90 days — verify carefully.
- Seiko 6306 JDM Day-Date (1976-1980) listed at ¥138,000 on Mercari Japan.
- -12.0% below 90-day peer median (¥138,600).
- Estimated acquisition cost (Japan price + Buyee fees + EMS shipping): $1,008.
- US median (all conditions): $900 (8 sales last 90 days). Low sample, treat with caution.
- Listing condition: recently serviced.
- US market range at this condition: $1,235 to $1,300.
- Estimated savings vs US market: $67 to $123 after estimated acquisition cost.
- Listing title: OH済み 6306-7001 SEIKO ダイバー サードダイバー 1979年製
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