OMEGA.
SEAMASTER 300.
AN EXTREMELY RARE MEN'S DIVER'S STAINLESS STEEL AUTOMATIC WRISTWATCH WITH STRAIGHT LUGS.
Model: Seamaster 300
Date: Circa 1960's
Case reference: 14755-61SC
Movement: Signed, automatic, 24 jewels, Cal.552, No.1960XXXX
Dial: Signed, black with a clear patina, tritium applied arrow hours markers with a light tropical patina and white Arabic numerals at the 3, 6, 9, and 12 o'clock position, silvered arrow hands with tritium insert, white centre second hand with tritium insert, white outer minute division
Case: Signed, brushed stainless steel, stainless steel bi-directional bezel, screw-down back
Strap: Generic grey NATO style
Size: 39mm