Seiko Prospex SpeedTimer watch model SRQ037 powered by automatic chronograph movement with manual winding mechanism. Stainless steel case and bracelet. Grey color dial with tachymeter scale and Arabic numerals. Water resistant to 100 meters.
SEIKO Mechanical Automatic ( Powered by wrist movement ). Caliber 8R46.
Functions:
Date calendar, window display. 30 min, 60 sec registers chronograph.
Sport style, screw-down (threaded).
Sapphire. Anti-Glare treated.
Black color. Arabic printed numerals. Luminous ( radiation-free LumiBrite ) hour markers. Tachymetre scale.
Hands:
Steel color. LumiBrite radiation-free luminous filled.
45.50mm. 42.50mm. 15.00mm.