Seiko Core SSC143 Watch Color:SSC143 Built from Grilamid TR-90—a premium

Built from Grilamid TR-90—a premium thermoplastic material favored in high-performance eyewear—these frames are exceptionally lightweight

holding the lenses in precise optical alignment while eliminating the pressure points common with conventional frames

All lenses offer 100% UV protection

making the Chesterf864 a solid choice if you have sensitive skin or metal allergies that cause irritation with standard frames

Seiko Core SSC143 Watch Color:SSC143 Built from Grilamid TR-90—a premiumSolar Alarm Chronograph Powered by light energy No battery change required 6 month power reserve once fully charged 12 hour alarm Chronograph measures up to 60 minutes in 1 5 second increments with split time measurement function When the measurement reaches 60 minutes the stopwatch automatically stops counting Date Calendar Hour, minute and small second hands LumiBrite hands and markets Screwdown caseback Case diameter: 42. 5mm Stainless steel case