Description
Description
The SEIKO 5 SPORTS HDB008J is a Japan Made Field series mechanical watch with a khaki green dial and nylon strap. Designed for both outdoor utility and daily wear, it features a 41.0 mm stainless steel case, a bi-directional rotating compass-scale bezel, and strong LumiBrite visibility for practical field-watch performance.
Powered by Caliber 4R36 Mechanical Automatic movement, the watch offers manual winding, stop-seconds functionality, day-date display, 24 jewels, and an approx. 41-hour power reserve. The bilingual day display supports both Japanese and English, adding everyday convenience.
The khaki green dial gives the watch a natural outdoor character, while the newly designed nylon strap with leather accents enhances durability and field-style appeal. With curved Hardlex, 10 bar water resistance, magnetic resistance, and a see-through screw case back, the HDB008J is a versatile JDM automatic watch for daily use and outdoor styling.
Key Specifications
- Product Name: SEIKO 5 SPORTS Field series
- Model Code: HDB008J
- Case: 13.2 mm thickness × 41.0 mm diameter × 48.5 mm lug-to-lug, 85.0g, stainless steel
- Case Back: Stainless steel and glass, see-through screw back
- Bezel: Bi-directional rotating compass-scale bezel
- Band: Nylon strap with leather accents
- Wrist size: Up to 205.0 mm
- Band width: 20 mm
- Water resistance: 10 bar
- Movement: Caliber 4R36 Mechanical Automatic, manual winding compatible
- Jewels: 24 jewels
- Power: Automatic winding with manual winding; approx. 41-hour power reserve
- Accuracy: +45 to -35 seconds per day
- Display: Analog khaki green dial with day-date display
- Functions: Day display, date display, stop-seconds function, manual winding, bilingual day display in Japanese and English
- Special features: Field series design, rotating compass-scale bezel, see-through case back, screw case back, magnetic resistance
- Illumination: LumiBrite on hands, indexes, and bezel
- Glass: Curved Hardlex
- Origin: Japan Domestic Market (JDM), Made in Japan
- Warranty: 3-year official manufacturer warranty in Japan
- Release date: June 5, 2026
Key Highlights
The HDB008J stands out as a SEIKO 5 SPORTS Field series model with a practical bi-directional compass-scale bezel. This gives the watch stronger outdoor character than standard field watches while keeping a clean everyday design.
Its Caliber 4R36 automatic movement provides dependable mechanical performance with manual winding, stop-seconds functionality, 24 jewels, and an approx. 41-hour power reserve. The Japanese / English bilingual day display adds useful daily practicality.
On the wrist, the 41.0 mm case offers a balanced size, while the khaki green dial creates a calm military-inspired look. The nylon strap with leather accents adds a rugged field-watch feel without making the watch too heavy.
As a Japan Made JDM model, the HDB008J is a strong choice for buyers seeking a mechanical field watch with outdoor utility, reliable SEIKO movement performance, and authentic SEIKO 5 SPORTS character.
Short Promo Line
SEIKO 5 SPORTS Field Series / Japan Made Automatic / Khaki Green Nylon Field Watch