At first glance, this looks like another Seiko chronograph. Collectors know it isn’t. The SBPY165 is a Japanese Domestic Market (JDM) model produced for Seiko’s internal market, where finishing standards and quality control expectations are significantly stricter than many export batches. That difference is exactly what the Radar detected. Global Price $320 – $350 USD (eBay / Chrono24 average) Radar Price ¥36,960 ≈ $246 USD This price difference appears because Japanese domestic models often remain inside the local distribution network longer before reaching international resellers. When those units appear on the Japanese market, collectors outside Japan are usually seeing them much later — and at higher prices. Original listing detected by the Radar https://amzn.to/4ri2WHO 🔎 JDM FORCE CHECK Sapphire Crystal with “Super Clear” Coating This is the most important specification difference. Many Seiko watches in this price range sold internationally use Hardlex, Seiko’s hardened mineral crystal. The SBPY165 uses sapphire crystal with Seiko’s “Super Clear” anti-reflective coating, a higher-grade material that significantly improves scratch resistance and dial visibility. This type of crystal is typically reserved for models targeted at the Japanese domestic consumer. JIS Class 1 Magnetic Resistance The watch is designed to comply with JIS Class 1 magnetic resistance, a Japanese industrial standard. This protects the movement from everyday magnetic sources such as: • smartphones • laptop speakers • electronic devices Maintaining precision in environments filled with modern electronics. Seiko V175 Solar Chronograph Movement The heart of the watch is the Seiko V175 solar chronograph movement, engineered by Seiko/Epson in Japan. This solar system converts light into stored energy, eliminating frequent battery replacement while maintaining quartz-level accuracy. Seiko’s production model is global: