Seiko HDB009J Automatic mechanical sports Field series analog 4R36 Nylon strap 2026.6 release

Movement Registry: 4R36

Movement Type: Automatic mechanical (with manual winding function)

Accuracy: Daily error: +45 to -35 seconds

Power Reserve: Approximately 41 hours when fully wound

Jewels: 24 jewels

Functions: Stop seconds, Calendar (Date and Day)

Case and Strap

Case Material: Stainless steel
Case Back: Stainless steel and glass

Case Dimensions: Thickness: 13.2 mm, Width: 41.0 mm, Height: 48.5 mm

Crystal Material: Curved reinforced glass

Luminous Coating: Yes (hands, markers, bezel)

Strap Material: Nylon

Maximum Wrist Circumference: 205.0 mm

Watch Specifications

Water Resistance: Enhanced daily water resistance (100M / 10 bar)

Antimagnetic Performance: Yes

Weight: 85.0 g

Other Functions: Rotating bezel, Screw-down transparent case back