Ball Engineer Hydrocarbon AeroGMT Sled Driver Automatic Watch, Black, COSC diameter Barrel width 10 mm Weight

Barrel width 10 mm Weight 29 gr

Warranty 2 years Country of Manufacture Japan

The series will be available as a fountain pen with a piston mechanism and a ballpoint pen with a push-button mechanism

The use of mu-metal is a real industrial feat

Weight (without cap) 24 gr

Ball Engineer Hydrocarbon AeroGMT Sled Driver Automatic Watch, Black, COSC diameter Barrel width 10 mm WeightLine Engineer Hydrocarbon Reference DG2018C S17C BK Movement Automatic Caliber Ball RR1201 C Jewels 21 jewels Power Reserve 42 Hours Frequency 28800 A h Case Material Stainless steel Crystal Anti reflective Sapphire Thickness 13. 85 mm. Diameter 42 mm Crown Patented crown protection system Lume components Hands, indices and bezel Lume Material 44 H3 Gas tubes Water resistant depth 10 atm Antimagnetic 4800 A m Bracelet Stainless steel Band width 21 mm.