SEIKO Quartz Analog ( Battery powered ).
Functions:
Date calendar, window display. Perpetual Calendar.
Pure Titanium. Sandblasted finish.
Flat profile. Mineral glass.
Grey color. Applied polished Silver color markers. Luminous ( radiation-free LumiBrite ) hour markers.
Hands:
Steel color. LumiBrite radiation-free luminous filled.
Case Back:
Screw-down style ( threaded ).
Pure Titanium. Sandblasted finish.