Case Diameter: 41 mm
Case Height: 17 mm
Case length: 49 mm
Lug Width: 20 mm
Movement: Unknown
Case material: Stainless steel
Crown: Screw down
Bezel: Uni-directional, indexed  w/ 60
clicks, engraved with US Navy
"maximum no decompression limit time
dive table"
Water resistance: 300 meters
Vintage: Modern

It's no coincidence this watch looks like a
Doxa Sub 250, because it's practically
the same watch. This Zeno has had it's
original hands replaced with a set of
Doxa Sub hands.