Japanese automatic movement Seiko NH39 with 41 hours of power reserve. Finished in 316L stainless steel. Sapphire crystal with anti-reflective treatment. Water resistant 20BAR/200M. Ceramic bezel.

Specs:

• Weight: 99 g.
• Case diameter: 43 mm.
• Case thickness: 13 mm.
• Material: Stainless steel 316L.
• Crown: Screw-down.
• Crystal: Sapphire crystal with a hard coating, scratch-resistant and with anti-reflective treatment.
• Additional display: 24-hour dial.
• Waterproof: Up to 20 bars.
• Movement: Automatic Seiko NH39 (Jewels: 24).
• Power reserve: 41 hours.
• Strap width: 24mm.
• Strap length: 22cm.