Pre-Order | Arriving July 2026
Movement
Caliber Number: 4R36
Movement Type: Automatic with manual winding
Power Reserve: Approx. 41 hours
Jewels: 24
Functions:
- Stop second hand function
- Day/Date display
Case / Band
Case Material: Stainless steel
Thickness: 13.2 mm
Diameter: 41 mm
Lug-to-lug: 48.5 mm
Crystal: Curved Hardlex
Band Material: Nylon
Other Details
Water Resistance: 10 bar
Weight: 85 g
Features:
- LumiBrite on hands, index(es) and bezel
- Rotating bezel
- See-through & Screw case back
Any purchase through our SEIKO Online Store has a 3-year guarantee.
Frequently Asked Questions
The Seiko 5 Sports HDB008K1 is powered by Seiko's Caliber 4R36 automatic movement with manual winding capability. It features 24 jewels, a stop-seconds function, and provides an approximate power reserve of 41 hours.
The HDB008K1 is designed as a field watch and features a rotating compass bezel that can assist with basic navigation. Its rugged construction and outdoor-inspired design make it ideal for both everyday wear and outdoor activities.
Yes. The watch is equipped with LumiBrite on the hands, hour markers, and bezel markings, ensuring excellent readability in dark or low-light environments.
The watch features a stainless steel case paired with a durable nylon strap and a curved Hardlex crystal. The khaki green dial and field-inspired design reinforce its rugged outdoor character.
The HDB008K1 has a 41.0mm case diameter, 13.2mm thickness, and 48.5mm lug-to-lug length. It also offers 10-bar (100-meter) water resistance, making it suitable for everyday wear and outdoor activities.
