Seiko men's watch automatic Prospex SPB103J1

Brand	Seiko
Collection	Prospex
Reference​	SPB103J1
Interior	Mechanical
Specifications	Automatic
Dial	Green / Day-Date indication / LumiBrite
Watch case	Steel
Water resistance	200m screw down crown
Case diameter	45mm
Glass	Sapphire
Watch strap	Steel
Color band	Silver colored
warranty	2 years

Automatic :

Automatic winding means that the movement of the wrist winds the spring of the movement. The movement has a power reserve of 70 hours. A new generation automatic watch is equipped with a manual winding mechanism, that is, when the watch is completely stopped, one can manually wind the spring by turning the crown.

LumiBrite:

LumiBrite is a luminous paint that is completely harmless to humans and the environment. The substance does not contain any radioactive components. LumiBrite absorbs the energy of sunlight and artificial light within a short time and emits light in the dark.