| Reference Ocarat | #127226 |
| Reference | HDB007K1 |
| Brand | Seiko 5 Sports |
| Product Type | Watch |
| Gender | Men |
| Color | Gray White |
| Material | Steel |
| Material Quality | Stainless Steel |
| Finish | Matte (Brushed / Satin) Polished / Shiny |
| Warranty | 3 years |
| Thickness (in mm) | 13,20 |
| Diameter (in mm) | 41,00 |
| Manufacturing | Japan |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Bezel | Bidirectional |
| Watch Case Back | Exhibition Case Back Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Hardlex |
| Watch Case Types | Big Date (double aperture) |
| Buttons | 1 Crown |
| Water Resistance (in ATM) | 10 |
| Frequency | 21,600 A/h (3 Hz) |
| Movements | Automatic (rotor) |
| Movement Type | Japanese Movement |
| Movement Brand | Seiko Corp. |
| Calibers (Movements) | Seiko 4R36 |
| Calendar and Time | Dates Days Hours Minutes Seconds |
| Power Reserve (Maximum Duration) | 41 Hours |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Indices and railroad track Lumibrite Hands Lumibrite Indices |
| Bracelet Material | Stainless Steel |
| Strap Color | Gray |
| Bracelet Material Finish | Brushed Polished steel |
| Watch Clasp | Single Deployment Clasp |
| Lug Width (in mm) | 20,00 |
The Seiko 5 HDB007K1 watch stands out with its round case crafted in stainless steel - a material renowned for its strength and durability. The 41 mm diameter paired with a 13.20 mm thickness gives it a commanding presence on the wrist, perfectly suited to a contemporary men's style. The watch's fully transparent caseback offers a captivating view of the inner movement - a touch of elegance appreciated by watch enthusiasts. The bidirectional bezel adds an interactive functional dimension to the design. The domed Hardlex crystal, built to resist shocks, protects the dial and ensures clear visibility in any situation.
The dial features an elegant white finish adorned with Arabic numerals for optimal readability. A standout feature is the dual window complication, providing a clear display of both the date and day. Timekeeping functions include the standard hours, minutes, and seconds, all indicated by hands tipped with luminous Lumibrite material - keeping the dial perfectly legible even in low-light conditions. A minute track completes the design, adding a precise, finished touch.
Powering this watch is a sophisticated movement: the Seiko caliber 4R36. This Japanese automatic movement, equipped with a rotor, embodies the quality and precision synonymous with the Seiko name. Operating at a frequency of 21,600 vph (3 Hz), it delivers a reliable power reserve of 41 hours.
The bracelet is crafted in stainless steel with a carefully polished and brushed finish. The gray tone blends seamlessly with the rest of the watch, each element contributing to a visual cohesion that enhances its refined aesthetic. Measuring 20 mm at the lug width, it strikes the perfect balance between comfort and fit. The clasp is a single push-button deployment buckle, delivering reliable security and effortless wearability.
With a water resistance of 10 ATM, this watch offers solid protection against water infiltration - suitable for showering, swimming, and everyday water activities.



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Seiko 5 HDB007K1 Watch
(Ref. 127226)