SEIKO PROSPEX Sumo "Blue Fire Crater"  Limited Edition 2,200pcs 200M Diver's Automatic SPB543J1

Caliber: NEW 6R35 Automatic winding type with manual winding mechanism
24 Jewels Made in Japan
70 hours power reserve
A window at the 3 o'clock hour reveals the automatic day calendar.
Metal: Stainless steel
Size: 45mm
Thickness: 12.9mm
Lug to lug: 52.6mm
Band: Silicone strap
Water resistance: 200 meters/ 20 bars/ 660 feets
Glass: Sapphire Crystal
Dial: Blue