Seiko Presage Enamel Automatic Chronograph SRQ023

Caliber 8R48 Chronograph up to 12 hours, Column wheel and vertical clutch systems
Vibrations: 28,800 vibrations per hour (8 beats per second)
Power reserve: 45 hours
Number of jewels: 34SpecificationsStainless steel case, Enamel dial
Dual-curved sapphire crystal with anti-reflective coating
Screw see-through case back
Diameter: 42.0mm, Thickness: 14.9mm
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Crocodile strap with three-fold clasp with push button release