Product Description
Seiko Prospex HBC006J is a 145th Anniversary Limited Edition Alpinist inspired by the traditional Japanese “Edo Purple” color, featuring a rich purple dial with elegant gold accents. Powered by the 6R55 automatic movement with an approximately 72-hour power reserve, it combines classic field-watch styling, 200 m water resistance, a rotating compass inner ring, and a black leather strap in a limited production of 7,000 pieces worldwide.
PRE-RELEASE ORDER: AVAILABLE 9TH OCTOBER 2026!

Specification:
- Movement Type: Mechanical Automatic with Manual Winding
- Caliber: 6R55
- Collections: Seiko Prospex / Alpinist / Seiko 145th Anniversary Limited Edition
- Accuracy: +25 to -15 seconds per day
- Style: Classic Sports / Field
- Case Material: Stainless Steel with DiaShield Coating
- Case Colour: Silver
- Band Material: Cow Leather
- Strap Colour: Black
- Dial Type: Analog
- Dial Colour: Edo Purple with Gold Accents
- Glass Type: Sapphire Crystal with Magnifier and Anti-Reflective Coating on Inner Surface
- Water Resistance: 200 m / 20 bar
- Size: 46.4 x 39.5 x 12.7 mm
- Weight: 88 g
- References: HBC006, HBC006J1, HBC006J (we sell as JDM model: Made In Japan)
- Other features: Approx. 72-hour power reserve, 24 jewels, date display, LumiBrite on hands and indexes, rotating compass inner ring, screw-down crown, see-through screw case back, LIMITED EDITION case-back marking, magnetic resistance 4,800 A/m, 20 mm lug width, worldwide limited edition of 7,000 pieces including 1,000 for Japan.
Warranty Information
Official Seiko Worldwide Warranty Certificate Included (Valid for 3 Years)Q&A
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