AER-Sub black depth gauge

BRAND
AER-SUB
MODEL
black
OPERATION
Bourdon type
SCALE m
80 linear one and half turn
SIZE mm
….. - metak body coated in black rubber
DIAL
black - white indexes and numbers
TOTAL WEIGHT g
-
SPECIAL FEATURES
notches highlighted for depths 3 - 6 - 9 meters
NOTE
black plastic strap
COUNTRY OF ORIGIN
Italy
YEAR OF PRESENTATION
1963
SOURCE
Luigi Fabbri collection