• Exclusive JDM Date Display: Day-of-the-week disc with dual language display in English and Japanese Kanji, a feature highly prized by collectors.
• Compass Rotating Bezel: Functional bezel designed for orientation and navigation during outdoor activities.
• Transparent Case Back: Screw-down case back with crystal (See-through) that allows you to admire the inner workings of the mechanical movement.
• Lightweight and Comfortable: Thanks to its high-strength tactical nylon strap, the watch weighs a mere 85 grams.
• Seiko Caliber 4R36: A highly robust and reliable mechanical movement, equipped with 24 jewels.
• Power Reserve: Approximately 41 hours of runtime when fully wound.
• Factory Accuracy: Daily tolerance of +45 to -35 seconds (in a static state without use).
• Double Complication: Date and day-of-the-week display window located at 3 o’clock.
• Bidirectional Rotating Bezel: Designed with compass markings for an adventurous and functional style.
• Curved Hardlex Crystal: Provides a subtle retro optical effect and offers excellent impact protection.
• Screw-Down Display Case Back: A screw-down case back that guarantees water resistance to 100 meters while showcasing the rotor and mainspring of the caliber.

Seiko 5 Sports Kohaku Compass HDB009J (JDM)

High-demand JDM (Japanese Domestic Market) edition. This model from the legendary Seiko 5 Sports line stands out for its military/exploration-inspired aesthetic, combining a robust steel case with a comfortable nylon strap, a rotating compass-style bezel (Compass), and the exclusive English-Kanji day-of-the-week disc, characteristic of pieces intended for the Japanese domestic market.

Highlights

Technical Specifications

Feature Details

Reference HDB009J (Japanese Domestic Market - JDM)

Collection Seiko 5 Sports

Movement Automatic Mechanical, Caliber 4R36 (Japanese Manufacture)

Winding Options Supports manual winding and hacking

Dimensions 41.0 mm (Diameter) × 48.5 mm (Length/Lug-to-Lug) × 13.2 mm (Thickness)

Lug Width 20 mm