Introduction to Systems Theory

Heavy-duty design for deep sea dives. Watch by Seiko crafted of black polyurethane strap and round stainless steel case with one-way rotating elapsed timing bezel, 42mm. Orange dial features LumiBrite stick indices and dot markers, minute track, day and date window at three o'clock, LumiBrite hands and logo. Solar-powered quartz movement. Water resistant to 200 meters. Three-year limited warranty.

Japan 21 Jewels Automatic Self Winding Movement (7S26)

Stainless Steel Case and Band with Fold-Over Safety Clasp

Day/Date Display with Spanish Option, Luminous Hands and Markers, Hardlex Curve Crystal

Screwed Down Crown and Case Back, Uni-Directional Turning Bezel, Black Face

Water Resistant - 200M, Case measures 44mm diameter by 13mm thick