Caliber: Y676  SEIKO 7S26 Automatic Movement, 21 Jewels Made in Japan  
A window at the 3 o'clock hour reveals the automatic day calendar.
Metal: Stainless steel, screw see-through case back
Size: 42.4mm
Band: Stainless Steel bracelet
Water resistance : 100m / 10bar
Glass: Hardlex crystal
Dial: Green
One year International warranty