The Ball Engineer II Pioneer combines traditional styling with proprietary micro gas tubes serving as Arabic numerals at the 6, 9, and 12 o'clock positions, presented here with a silver dial.
Movement Type
Automatic
Caliber
RR1103Jewels
25
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
12.15 mm
Diameter
40.00 mm
Water Resistance
100.00 m
Dial Color
Silver