Seiko Prospex Master Sumo watch model SPB177. Powered by Seiko Calibre 6R35 automatic movement. Stainless steel case with bracelet. Green dial with large luminous hands and markers. 200 meters water resistant.
SEIKO Mechanical Automatic ( Powered by wrist movement ). Seiko Automatic caliber 6R35.
Functions:
Date calendar, window display.
Solid AISI 316L Stainless steel.
Uni-Directional rotating, ratcheted, 0-60 Elapsed-Time. Green color.
Factory Logo engraved/embossed. Sport style, screw-down (threaded).
Very slight dome profile. Sapphire. Anti-Glare treated.
Green color. Applied polished steel tone markers. Luminous ( radiation-free LumiBrite ) hour markers.
Hands:
LumiBrite radiation-free luminous filled. Steel color.
Case Back:
Screw-down style ( threaded ). Factory Engraved/Raised Logo.
Solid AISI 316L stainless steel. Combination satin/polished finish.