Tudor Submariner model 7016/0

Case Diameter: 39.5 mm
Case Height: 14 mm
Case length: 46.5 mm
Lug Width: 20 mm
Movement: ETA 2483 25 jewel non-hacking automatic.
18,000 bph, 42  hour power reserve
Case material: Stainless steel
Crown: Rolex "Twinlock" screw down
Bezel: Bi-directional, no index
Water resistance: 200 meters
Vintage: Early '70s
US Navy "Deepsea Diving" school,
class of 1916