Seiko Alpinist model SPB121 automatic wrist watch from Seiko Prospex Collection. SEIKO Japanese made Automatic movement Caliber 6R35. Stainless steel case, screw-down crown. Green color dial with date calendar. Brown leather band. Water resistant to 200 meters.
SEIKO Mechanical Automatic ( Powered by wrist movement ). Caliber 6R35. 24 jewels.
Functions:
Date calendar, window display.
Solid AISI 316L Stainless steel.
Rotating compass inner ring operated by separate crown.
Factory Logo engraved/embossed.
Sapphire. Domed profile. Anti-Glare treated. Bubble date magnifier.
Green color. Luminous ( radiation-free LumiBrite ) hour markers. Applied polished gold tone markers.
Hands:
Gold tone. LumiBrite radiation-free luminous filled. Poire Squelette style.
Case Back:
Observation crystal. Screw-down style ( threaded ).
Brown color. Genuine leather.
Tri-fold, Sport style, with spring release.
46.50mm. 39.50mm. 13.00mm.