| Reference Ocarat | #127185 |
| Reference | HBC005J1 |
| Brand | Seiko |
| Product Type | Watch |
| Gender | Men |
| Color | Blue Gray |
| Material | Steel |
| Material Quality | Stainless Steel |
| Finish | Polished / Shiny |
| Warranty | 3 years |
| Thickness (in mm) | 13,01 |
| Diameter (in mm) | 40,00 |
| Manufacturing | Japan |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer Limited Edition |
| Case Shape | Round |
| Bezel | Rotating Unidirectional |
| Dial Finish | Grooved |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Anti-Reflective Coating |
| Watch Case Types | Date |
| Buttons | 1 Crown |
| Screw Crown | Yes |
| Water Resistance (in ATM) | 30 |
| Frequency | 21,600 A/h (3 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Japanese Movement |
| Movement Brand | Seiko Corp. |
| Calibers (Movements) | Seiko 6R55 |
| Calendar and Time | Dates Hours Minutes Seconds |
| Power Reserve (Maximum Duration) | 72 hours |
| Display Type | Analog (hands) |
| Display Specifications | Indices and railroad track Lumibrite Hands Lumibrite Indices |
| Bracelet Material | Stainless Steel |
| Strap Color | Gray |
| Watch Clasp | Single Deployment Clasp |
| Lug Width (in mm) | 20,00 |
| Limited Edition (Collector) | Yes |
The Seiko Prospex HBC005J1, designed for men, stands out with its robust stainless steel construction and scratch-resistant coating that delivers remarkable solidity and durability. With a round case measuring 40 mm in diameter and 13.01 mm thick, it strikes the perfect balance between elegance and functionality. A domed sapphire crystal with anti-reflective coating protects the dial while ensuring outstanding clarity. The watch also features a unidirectional rotating bezel in blue with an aluminum insert. This is a limited edition of only 4,000 pieces, unnumbered.
The dial features a striped finish in a light gray tone that pairs beautifully with the light-catching indices and hands. Lumibrite hands and Lumibrite indices ensure outstanding visibility even in low-light conditions - a crucial feature for a dive watch. The clean analog display keeps reading time effortless and intuitive, reinforced by a minute track around the dial for added precision. The date window is cleverly positioned for easy reading without cluttering the design.
At the heart of this watch beats the Seiko 6R55 automatic movement, a masterpiece of Japanese engineering featuring 24 jewels. Running at a frequency of 21,600 vph (3 Hz), it ensures fluid hand motion. With an impressive 72-hour power reserve, it offers extended autonomy - ideal for keeping up with your daily life without frequent adjustments. Its functions deliver precise and responsive control of hours, minutes, seconds, and date updates via its easy-to-use screw-down crown.
The watch's bracelet combines comfort with durability. Crafted in stainless steel - prized for its corrosion resistance and lasting shine - it complements the watch's case perfectly. With a 20 mm lug width, it ensures a precise fit on the wrist while maintaining an elegant appearance. The clasp is a simple deployment buckle - practical and secure, keeping the watch firmly fastened even during dynamic activities.
With 30 ATM water resistance, the Seiko Prospex HBC005J1 is a top choice for divers and water explorers. This spec delivers exceptional resistance to pressure, making it ideal for deep-water immersion while protecting the internal movement. The combination of a screw-down case back and screw-down crown ensures the highest level of water tightness - essential for keeping moisture out.




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Prospex HBC005J1 Watch
(Ref. 127185)