Around 1975. Stainless steel. Automatic, chronometer. Dark grey dial, date aperture, subsidiary second, illuminated hands for minute and hour, illuminated indizes, chronograph function, 12 hour display, white arab. numerals, tachymeter dial ring, labelled 'Omega Speedmaster 125 Automatic Chronometer T Swiss Made T'. Reverse marked and numb. A 299. Foldingclasp marked, numb. 1221/212. Traces of usage. 50 x 42 mm, h. 15 mm, weight approx. 198 g.