OMEGA - Speedmaster Professional, sports wristwatch with chronograph and tachymeter scale on the ring.
Referenza/Reference No.: ST145.022
Movimento/Movement No.: 30581343
Modello/Model Name: Speedmaster
Materiale/Material: Acciaio/Stainless steel
Calibro/Calibre: Omega 861
Bracciale-Cinturino/Bracelet-Strap: Acciaio/Stainless steel
Dimensione/Dimension: 42mm