This 999-piece limited edition honors the Union Pacific Big Boy steam engine. It features 15 double-sized micro gas tubes for visibility.
Movement Type
Automatic
Caliber
RR1102Jewels
25
Reserve
38
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
13.30 mm
Diameter
46.00 mm
Dial Color
Black
