SEIKO Sumo Yellow Limited Edition SBDC017 (made in japan)
This is super rare item only 750 units in the world.
Come with limited edition box , papers and extra strap as show on picture.
Specifications:
Brand: Seiko
Movement: Automatic ,25 Jewel
Caliber 6R15
Water Resistant : 200m
Case: Stainless steel
Diameter: 44mm
Thickness: 13mm
Glass: Sapphire crystal 
Strap : Stainless steel