Ball Engineer M Pioneer (40mm) Racing black dial with Roman numerals

black dial with Roman numerals and index hour markers

Arabic 6 and 9 set with 32 sapphires

8 sapphire hour markers

housing 31 jewels and boasting a power reserve of approximately 70 hours

Ball Engineer M Pioneer (40mm) Racing black dial with Roman numeralsLIMITED EDITION 1000 WEIGHT Approx. 180g MOVEMENT Automatic BALL Manufacture caliber RRM7309 CS Chronometer certified COSC 80 hours Power Reserve, 28,800vph SIZE (CASE) 40mm, height 13mm WATER RESISTANCE 100m 330ft ANTI MAGNETISM 2,500 Gauss 200,000A m MICRO GAS TUBES 51 micro gas tubes on hour, minute and second hands and dial for night reading capability FUNCTIONS Hours, minutes, sweep seconds and magnified date CASE MATERIAL 904L stainless steel