Prospex King Sumo Blue Dial

The SPB321J is the latest addition to the ever popular 'Sumo' case as dubbed by Seiko fans for its masculine and oversized appearance. This gents watch is powered by the movement of the wearer and has approximately 71hours power reserve at full charge. Crafted with super hard coated stainless steel, the SPB321J offers a one-way rotating bezel, screw down crown, luminous hands and markers encased in curved sapphire crystal glass. - Calibre 6R35 - Automatic movement with approximately 70hours power reserve at full charge
- Super hard coated stainless Steel case and bracelet
- 45mm case size
- 200M Divers Water Resistance
- Sapphire Crystal glass
- LumiBrite on hands and indexes

Stainless steel, Sapphire glass