13 Ott NISUS DH
CASE . Two types :
– Chrome plated , monoblock , 34mm ;
– Chrome plated , 28mm .
BACK . Screw steel .
– 34 mm reports S/N , “stahlboden “ and “ wasserdicht “.
Inside , it often reports “CB” .
– 28 mm outside , the S/N only . Inside there is a punche number .
MOVEMENT . Two types The brand name is punched on the ratchet wheel .
– 34mm : AS1130 ;
– 28mm : Peseux 170 .
PUNCHING . D. H. only .
Letters and numbers are small and uniform ( 1mm).
S/N . 5 digits . From the registered watches (23) it turned out that the ranges could be .
– 101XX / 102XX for 28mm ( 5) ;
– 130XX / 192XX for 34mm (18) .
NISUS 34mm ( Dial , pic above)
NOTE . One Nisus DH ( AS) was registered with S/N 581XX .
For this reasons the ranges show here are purely indicative .
NISUS 28 mm