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