Ball Watch Engineer M<Engineer M Challenger Bronze (43mm) BLACK

Limited Edition

• 1000

Movement

• Automatic BALL Manufacture caliber RRM7309-C
• Chronometer certified COSC
• 80 hours Power Reserve, 28,800vph

Functions

• Hours, minutes, sweep seconds and date
• 5,000Gs shock resistance

Water Resistance

• 100m/330ft

Anti-Magnetism

• 4,800A/m

Micro gas tubes

• 31 micro gas tubes on hour, minute, second hands and dial for night reading capability

Dial Color

• Black

Bracelet

• Calf leather strap with bronze pin buckle

Size (case)

• Ø 43mm, height 13.5mm

Weight

• Approx. 100g

Case Material

• Bronze
• Sapphire crystal and titanium transparent case back

Crystal

• Anti-reflective sapphire crystal

Crown

• Screwed-in crown

Lug Width

• 21mm

Lug to lug

• 50mm