Ball Engineer Master II Endurance 1917

Limited Edition 1000 Weight Approx. 180g Movement Automatic caliber BALL RR1103-C Chronometer certified COSC Special movement oil to endure -45°C / -49°F Size (case) Ø 40mm, height 13.6mm Water Resistance 100m/330ft Anti-Magnetism 1,000 Gauss (80,000 A/m) Micro gas tubes 17 micro gas tubes on hour, minute and second hands, dial for night reading capability Functions Hours, minutes, sweep seconds and magnified date 5,000Gs shock resistance Case Material Stainless steel Mu-metal shield Amortiser® patented anti-shock system Crown Screwed-in crown Crystal Anti-reflective sapphire crystal Dial Color Black Bracelet Stainless steel bracelet with folding buckle Lug Width 20mm Lug to lug Approx. 46.6mm