Engineer Master II Union Pacific Big Boy
Ball Watch · Official Railroad Watch

Engineer Master II Union Pacific Big Boy

Ref. NM1080C-S2-BK

Limited edition of 999 pieces celebrating Union Pacific's Big Boy. 15 double-sized micro gas tubes.

Case diameter
46 mm
Thickness
13.3 mm
Case material
Stainless Steel
Crystal
Sapphire
Dial
Black

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