Ref. ST 105.003-65A rare stainless steel chronograph wristwatch Manufacturer: Omega
Year: Circa 1963
Reference No: ST 105.003-65
Movement No: 24'532'716
Model Name: Speedmaster
Material: Stainless steel
Calibre: Mechanical, 321, 17 jewels
Bracelet/Strap: Black leather strap
Clasp/Buckle: Stainless steel Omega buckle
Dimensions: 40 mm. diameter
Signed: Case, dial and movement signed
Literature: For another example of reference ST105.003, please see The Master of Omega, Speedmaster - Flightmaster - Speedsonic by Alberto Isnardi, page 26 and 27.