Features:
Serial number engraved on the case back
Unidirectional rotating bezel
Screw-down crown
Screw case back
Stop second hand function

Specifications:
Movement: Seiko Automatic Caliber 6L37
Power Reserve: Approx. 45 hours
Frequency: 28,800 VpH
Jewels: 26 jewels
Water Resistance: 200m / 660ft diver's

Case:
Material: Stainless steel
Diameter: 39.5mm
Thickness: 12.3mm
Crystal: Box shaped sapphire crystal
Caseback: See-through & Screw case back

Dial:
Design: Black dial
Hands: LumiBrite on hands, index(es) and bezel

Bracelet:
Stainless steel bracelet
Three-fold clasp with secure lock , push button release with extender
Lug: 20mm

Warranty:
Seiko International 3-Year Manufacturer Warranty