BALL NM2128C-S1C-GY Engineer M 43mm Grey Dial Automatic Chronometer Watch

Movement

◆ Automatic BALL Manufacture caliber RRM7309-C
◆ COSC certified chronometer
◆ 80 hours power reserve, 28,800vph

Function

◆ 15 micro gas tubes on dial and hands for night reading capability
◆ Hours, minutes, second and date

Water resistance

◆ 100m/330ft 

Antimagnetic

◆ 4,800A/m 

Case

◆ Stainless steel
◆ Ø 43mm, height 13.4mm
◆ Anti-reflective sapphire crystal
◆ Sapphire crystal transparent case back
◆ Screwed-in crown
◆ Amortiser® patented anti-shock system

Band 

◆ Stainless steel bracelet with folding buckle 

Dial 

◆ Grey