SEIKO Superior 50M Automatic SRP007K1
Caliber: 4R16 Automatic Movement, 22 Jewels Made in Japan 
A window at the 3 o'clock hour reveals the automatic day calendar.
Metal: BlackTiCN plating Solid Stainless Steel 
Size: 45mm with crown
Band: BlackTiCN plating Stainless Steel bracelet
Water resistance to 50 meters/ 5 bars
Glass:  Top Sapphire crystal
Luminous hands
Dial: Black
One year International warranty