Ball Engineer Hydrocarbon AeroGMT Sled Driver - DG2018C-S17C-BK Military 27 mm brushed 18K yellow

27 mm brushed 18K yellow gold case

which is the same material used for the hands

Reference #- H69529913

3 mm stainless steel and ADLC case

and 18K white gold butterfly buckle

Ball Engineer Hydrocarbon AeroGMT Sled Driver - DG2018C-S17C-BK Military 27 mm brushed 18K yellowFEATURES Movement _ Automatic caliber BALL RR1201 C _ Chronometer certified COSC Functions _ 44 micro gas tubes on hour, minute, second, second time zone hands, dial and bezel for night reading capability _ Luminous three time zone indication _ Hours, minutes, sweep seconds and date Shock resistance _ 7,500Gs Water resistance _ 100m 330ft Antimagnetic _ 4,800A m Case _ Stainless steel _ 42mm, height 13. 85mm _ Bidirectional rotating curved sapphire