Description
Description
The SEIKO PROSPEX HBB001J is a JDM 145th Anniversary Limited Samurai diver from the Diver Scuba series. Made in Japan and limited to 9,999 pieces worldwide, with only 1,500 pieces for Japan, it combines the angular Samurai case, rotating bezel, stainless steel construction, and strong LumiBrite visibility for collectors and daily wear.
Powered by Caliber 4R35 Mechanical Automatic movement, it offers manual winding, stop-seconds functionality, date display, 23 jewels, and an approx. 41-hour power reserve. The 41.7 mm case, Hardlex crystal, screw-down crown, screw case back, and 200 m air diver’s water resistance support reliable diver performance.
With LIMITED EDITION case-back marking and true anniversary significance, this model is more collectible than standard Samurai releases. Our store has only one unit available, offered as a premium collector item for buyers seeking an authentic SEIKO PROSPEX limited diver.
Rare JDM Limited Model / Only One Available / 100% Authentic Genuine SEIKO
Key Specifications
- Case: 12.3 mm thickness × 41.7 mm diameter × 49.5 mm lug-to-lug, 170g, stainless steel
- Bezel: Unidirectional rotating bezel
- Band: Stainless steel bracelet, one-push double-lock diver extender clasp
- Wrist size: Up to 205.0 mm
- Band width: 20 mm
- Water resistance: 200 m air diver’s water resistance
- Movement: Caliber 4R35 Mechanical Automatic, manual winding compatible
- Frequency: 21,600 vibrations per hour / 6 beats per second
- Jewels: 23 jewels
- Power: Automatic winding with manual winding; approx. 41-hour power reserve
- Accuracy: +45 to -35 seconds per day
- Display: Analog diver-style dial with date display
- Functions: Date calendar, manual winding, stop-seconds hand function
- Special features: SEIKO 145th Anniversary Limited Model, Samurai diver design, LIMITED EDITION case-back marking, screw-down crown, screw case back, magnetic resistance
- Illumination: LumiBrite on hands, indexes, and bezel
- Glass: Hardlex
- Origin: Japan Domestic Market (JDM), Made in Japan
- Model Code: HBB001J
- Release date: June 10, 2026
- Limited Edition: 9,999 pieces worldwide / 1,500 pieces for Japan
Key Highlights
The HBB001J stands out as a SEIKO PROSPEX Samurai diver created for SEIKO’s 145th anniversary. Its limited production, Japan allocation of only 1,500 pieces, and Made in Japan origin give it stronger collector appeal than standard Samurai models.
Its Caliber 4R35 automatic movement provides reliable mechanical performance with manual winding, stop-seconds functionality, 23 jewels, and an approx. 41-hour power reserve.
For daily use, the watch offers a practical 41.7 mm case, 200 m air diver’s water resistance, Hardlex crystal, LumiBrite visibility, screw-down crown, and diver extender clasp.
Within the SEIKO PROSPEX Diver Scuba lineup, this is a rare JDM limited model for buyers seeking authentic Japanese craftsmanship, anniversary significance, and genuine Samurai diver character.