SEIKO Solar Quartz Analog ( Rechargeable by light ).
Functions:
Date calendar, window display.
Black color. Uni-Directional rotating, ratcheted, 0-60 Elapsed-Time.
Factory Logo engraved/embossed. Sport style, screw-down (threaded).
Black color. Luminous ( radiation-free LumiBrite ) hour markers.
Hands:
LumiBrite radiation-free luminous filled.
Case Back:
Factory Engraved/Raised Logo. Screw-down style ( threaded ). Solid Stainless steel.
Black color. Composite material (plastic or silicone or polyurethane). Factory Logo embossed.