Seiko Prospex collection Sumo, model SPB321. Japanese Seiko 6R35 automatic movement with date function and 70 hour PR. Stainless steel case and bracelet. Uni-directional bezel with blue 60 minute ceramic insert. Gradient blue dial with LumiBrite filled hands and markers. Sapphire crystal with inner anti-reflective coating. Diver rated to 200 meters
Promo:
Factory Model Number. SPB321.
Movement:
Seiko Caliber 6R35 Automatic.
Movement Features:
21,600 vibrations per hour
70 hour power reserve
24 jewels.
Functions:
Date calendar, window display.
Bezel:
Uni-Directional rotating, ratcheted, 0-60 Elapsed-Time. Blue ceramic insert.
Crown:
Sport style, screw-down (threaded).
Crystal:
Sapphire with anti-reflective coating on the inner surface.
Dial:
Gradated blue with pressed pattern. LumiBrite hour markers.
Hands:
Steel color. LumiBrite radiation-free luminous filled.
Band:
Solid AISI 316L stainless steel.
Water Resistance:
200m/660ft/20atm.
Case Size:
45.00mm. 13.00mm.
Warranty:
3 YEARS Manufacturer's Warranty.