A robust automatic timepiece built for everyday wear and adventure, combining classic Seiko reliability with a sporty rotating bezel and excellent visibility.

Movement

• Caliber: 4R36

• Type: Automatic with manual winding

• Power Reserve: Approx. 41 hours

• Jewels: 24

• Functions:

  • Stop-second hand (hacking seconds)

  • Day/Date display

Case & Band

• Case Material: Stainless steel

• Case Size:

  • Diameter: 41.0 mm

  • Thickness: 13.2 mm

  • Lug-to-lug: 48.5 mm

• Crystal: Curved Hardlex

• Lume: LumiBrite on hands, indices, and bezel

• Clasp: Three-fold clasp with push-button release and secure lock

• Lug Width: 20 mm

Durability & Details

• Water Resistance: 10 bar (100 meters)

• Magnetic Resistance: 4,800 A/m

• Weight: 158.0 g

• Case Back: See-through screw-down case back

Key Features

• Rotating bezel

• See-through exhibition case back

• Screw-down case back

• Three-fold clasp with secure lock