Straum Opphav The Straum Opphav is the first model from the new microband, launched in 2021. Unlike a lot of new brands, the Norwegen microbrand did not go the way of using catalog parts and sticking its brand and logo on the dial. No, in fact, it took them 5 years to bring this model to fruition, with a few designs and bumps in the road along the way. What they ended up creating is a fantastic bl...