Seiko Presage SPB091J1 Blue Enamel Crescent Power Reserve Display.
Movement: Automatic with manual winding capacityCaliber 6R27 Jewels: 29
Power reserve: 45 hours
Accuracy: +25 to -15 seconds per day
Dial: Blue Enamel
Dual-curved sapphire crystal with anti-reflective coating on inner surface
Stainless steel Case D40.5 mm x L47.8 mm x T12.8 mm
Water resistance: 100 m/10 ATM
Stainless steel bracelet with three-fold clasp with push button release
Power reserve and Date displays
See-through screw case back
Stop seconds hand function
Made in Japan