Ball NM3016C-S1J-CH Engineer II Moon Calendar Champagne seko featuring a distinctive DAY/NIGHT bezel

featuring a distinctive DAY/NIGHT bezel as the brand's re-edition in an exciting new series of Accutron Astronaut timepieces

Blood Oxygen Level Measurement

Power Reserve: 45 hours

Bezel and crown are made of scratch-proof Zirconium Oxide ceramic

the first made in Japan

Ball NM3016C-S1J-CH Engineer II Moon Calendar Champagne seko featuring a distinctive DAY/NIGHT bezelLIMITED EDITION 1000 WEIGHT Approx. 145g MOVEMENT Automatic caliber BALL RR1807 SIZE (CASE) 40mm, height 13. 4 mm WATER RESISTANCE 100m 330ft ANTI MAGNETISM 4,800A m MICRO GAS TUBES 16 micro gas tubes on hour, minute and second hands and dial for night reading capability FUNCTIONS Moon phase indication Month, day and date indication Hours, minutes, sweep seconds 5,000Gs shock resistance CASE MATERIAL Stainless steel Sapphire crystal transparent case