Lazy evening
Put the railmaster back on its bracelet in anticipation of warmer days, so comfy! ...
That's the 36
The 39 is closer to the size I would normally go for as a sportier wear but the 36 is a bit less common and I enjoy the slightly more vintage vibe.
39.3 mm looks like tjis
There is also a 42 mm version and also yellow gold variants, with a full gold bracelet even. ...