Mythbusting the “Rare 1970 Rolex display Dive Helmet” .. tl;dr.. they are all fake.

The Myth:
"This brass mini dive helmet was a Rolex Submariner Display in the 60's/70's"

The Reality:
Mini brass dive helmets were mass-produced in the 60's/70's as random knick-knacks. There’s no concrete evidence linking Rolex to any specific helmet design or manufacturing.

There is actually very little evidence Rolex even used the helmets in their display campaigns ("At One With The Sea"). Any helmets used were randomly purchased from multiple sources by Marketing firms, or the AD's…

Mythbusting the "Rare 1970 Rolex display Dive Helmet" .. tl;dr.. they are all fake.