It’s pre-2005, so it has the Peseux 7001 movement. A simple, hand-wound movement, but as classic and simple as the watch design, so this is the right movement for this watch.
Nomos makes beautiful, Bauhaus design watches, and my first proper watch was a Nomos Tangente.
Parts of the winding stem have rusted away, and left dirt all over the movement. This is the Hong Kong climate for you – very humid, lots of sweat, and even though the Tetra is supposed to be water resistant, there was moisture coming in through the crown.
And the movement starts beating. Oddly enough, the movement almost stops in dial down position, but works without a problem dial up. After a bit of investigation, I notice that the pallet fork is bent, and touches the jewel setting in dial down position. After fitting a new pallet fork, the problem is solved and the watch performs in all positions.
You can see how far the old winding stem has degraded. I won’t be able to get that out of the crown without it snapping off, plus I need a new crown as that’s where the humidity has entered the watch. The good news is that I have an account with Nomos, and the very friendly people in Glashuette send over the parts within a week.
And the watch gets a new strap as well. The dial has two small scratches, probably from someone removing the hands without the right tool, as they are both close to the centre of the hands.Back to its former glory.