Seiko Presage Power Reserve Cocktail Time Blue Moon SSA347J1

Cal. 4R57 movement, 29 jewels, 21,600 vph/hour, made in Japan. Magnetic resistance 4,800A/m. Power reserve: Approximately 41 hours Second hand stop mechanism (hacking). Box-shaped Hardlex crystal. The Seiko Presage Blue-Moon-Cocktail features a blue sunburst dial that makes the watch look new from every angle. Snail date counter. The watch features a spherical/domed Hardlex crystal glass and a see-through case back. Slightly larger crown at 4 mm facilitates manual winding and time setting. A unique number is printed on the case back.