![](/web/sites/default/files/styles/max_1300x1300/public/erogatori/GSD%20Prof%20scala%20240%20m%20-%201%20web.jpg?itok=4Zmbz_75)
![](/web/sites/default/files/styles/max_1300x1300/public/erogatori/GSD%20Prof%20scala%20240%20m%20-%202%20web.jpg?itok=a43oPI3I)
![](/web/sites/default/files/styles/max_1300x1300/public/erogatori/GSD%20Prof%20scala%20249%20m%20-%203%20web.jpg?itok=mDAjfym0)
![](/web/sites/default/files/styles/thumbnail/public/erogatori/GSD%20Prof%20scala%20240%20m%20-%201%20web.jpg?itok=So3l9RPX)
![](/web/sites/default/files/styles/thumbnail/public/erogatori/GSD%20Prof%20scala%20240%20m%20-%202%20web.jpg?itok=-MiCIRce)
![](/web/sites/default/files/styles/thumbnail/public/erogatori/GSD%20Prof%20scala%20249%20m%20-%203%20web.jpg?itok=B2FqyPN6)
BRAND
GSD
MODEL
Prof 240
TYPOLOGY
depth gauge
OPERATION
mechanical - Bourdon type
SCALE m
240 - parabolic two and a quarter lap
BODY mm
Ø 55 in stainless steel - rubber strap
DIAL
black dial - phosphorescent needles and numbers
TOTAL WEIGHT g
236 with strap
SPECIAL FEATURES
meter and decimeter indicator hand - maximun depth hand
NOTE
tool for diving in diving bell - scale that can be reset to the atmospheric pressure
COUNTRY OF ORIGIN
italy
YEAR OF PRESENTATION
1970
SOURCE
Boris Verzelloni