Ball Engineer M Challenger 43mm
Reference: NM2128C-SCA-BE
The Ball Engineer M Challenger 43mm in silver and blue is a casual watch released under the Engineer M collection. In terms of construction this version features a 43mm and stainless steel case paired with a stainless steel band and sapphire crystal. The movement is an automatic Ball reference RRM7309-C. It has a power reserve of 80 hours and beats at a frequency of 28 800 beats per hour.
Essentials
Collection
Watch style
Crystal
Sapphire
Materials case
Stainless steel
Materials band
Stainless steel
Water resistance
100 m
Limited edition
1000 pieces
Visuals
Case shape
Tonneau
Case diameter
43 mm
Case height
13.4 mm
Lug width
21 mm
Lug to lug
50 mm
Indices
Arabic numerals, Batons
Illumination
micro gas tubes
Colors case
Silver
Colors dial
Blue
Colors band
Silver
Movement
Caliber
Ball RRM7309-C
Type
Automatic
Power reserve
80 hours
Frequency
28 800 bph /
4 Hz
No. of jewels
25
Complications
Features
Variations
Storage
Books
Tools
Clocks
Straps
Misc.Brand - Ball
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