If you already know that your Lemania movement 3060 , no. 163898 Calibre No. 3060 was manufactured in 1965 and issued to Royal Navy as a Dive Supervisor's watch you probably know more then most of us here.
So I didn´t know what additional information you wanted to know.
The Lemania watches I have seen so far with a cal. 3060 have been all dress watches, I remember no diver´s watches with this movement but you can´t know them all.
The movement cal. 3060 was fitted with a screw balance which ensured a good timekeeping.
There was a black dialed Lemania diver´s watch named Benthos 1, rated wr up to 1000m. There was a Benthos 500 to, rated wr 500m. The watch was also known with the mark AQUASTAR. Google will lead you to some sources (Roger Ruegger - Dive into watches - is one of the best).
There have been some officialy issued chrono watches from Lemania (e.g. South African Airforce).
Maybe a pic of the movement and watch could bring us a step further.
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