Inside these Hamilton Intra-Matic 38mm and 42mm models, we find the same mechanical self-winding movement. Strangely enough, the press kit we received nor the website had any mention of the movement caliber inside these Intra-Matic watches. It just informs you that there’s an automatic movement inside. On the American website though, you will find that these watches have an ETA 2892-A2 caliber movement. The stainless steel model with grey smoked dial also has the caliber number engraved on the caseback, the PVD gold model doesn’t… More here.
Strap the grey dial version on your wrist and you would be stepping back decades in an instant. Just lovely.