| Reference Ocarat | #130448 |
| Reference | HBD001J1 |
| Brand | Seiko |
| Product Type | Watch |
| Gender | Men |
| Color | Black Blue Gray |
| Material | Steel |
| Material Quality | Stainless Steel |
| Finish | Matte (Brushed / Satin) |
| Warranty | 3 years |
| Thickness (in mm) | 14,60 |
| Diameter (in mm) | 42,00 |
| Manufacturing | Japan |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Bezel | Tachymeter Scale |
| Dial Finish | Matte |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Sapphire Crystal |
| Glass Treatment | Anti-Reflective Coating |
| Watch Case Types | Date |
| Buttons | 1 Crown 2 Pushers |
| Water Resistance (in ATM) | 10 |
| Movements | Automatic (rotor) |
| Movement Brand | Seiko Corp. |
| Calibers (Movements) | Seiko 8R48 |
| Calendar and Time | Dates Hours Minutes Seconds |
| Chronograph Function | Yes |
| Counters and Durations | 12h 30 min 60 seconds |
| Power Reserve (Maximum Duration) | 45 Hours |
| Navigation and Instruments | Tachymeter (instrument that measures the speed of a moving object) |
| Display Type | Analog (hands) |
| Display Specifications | Indices and railroad track Lumibrite Hands Lumibrite Indices |
| Number of Counters (Additional) | 3 |
| Bracelet Material | Stainless Steel |
| Strap Color | Gray |
| Bracelet Material Finish | Brushed Steel Polished Steel |
| Water Resistant | Yes |
| Watch Clasp | Deployant buckle with safety clasp |
| Lug Width (in mm) | 20,00 |
| Collection | Seiko Prospex |
The Seiko Prospex Speedtimer watch is the perfect wedding ring of innovation and elegance. Its round case is made from sturdy, durable stainless steel. At 42 mm in diameter and 14,60 mm thick, it makes a confident statement on the wrist without sacrificing comfort. Matte brushed and satin finishes lend its sporty design a subtle sophistication. For those who appreciate mechanical style, the bezel features a tachymeter scale for measuring speed.
This watch's dial combines function and style. Its subtle blue color with gray accents is easy to read, thanks in part to a matte finish that minimizes unwanted reflections. Modern-style hour markers and numerals pair with LumiBrite hands for legibility in a range of lighting conditions. The durable, transparent domed sapphire crystal has an anti-reflective coating that keeps dial details clear. A minute track frames the display with a classic touch. Three subdials are integrated into the design: one for hours, one for minutes, and one for seconds.
Inside the Seiko Prospex Speedtimer is an exceptional automatic movement, the Seiko 8R48 caliber. Its oscillating weight winds the movement as you move your wrist, providing a 45-hour power reserve when fully wound. Along with a date function, it displays the essential hours, minutes, and seconds. This attention to detail and technical precision reinforces Seiko's reputation for innovation and durability.
The watch's bracelet reflects careful attention to comfort and design. Made of stainless steel, it has a refined gray color and brushed and polished finishes that bring understated elegance to the watch. With a lug width of 20 mm, it joins the case in a smooth, balanced transition. A deployant clasp with a safety closure offers a secure fit and easy adjustment.
The Seiko Prospex Speedtimer has a 10 ATM water-resistance rating, making it well suited to everyday wear. Rated to a depth of 100 meters, it offers protection against moisture and splashes and is suitable for occasional boating and moderate water activities. A screw-down caseback adds another layer of protection against water entering the watch.



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Prospex Speedtimer Watch HBD001J1
(Ref. 130448)
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