Have I talked about these yet?
The Nivada Grenchen Chronomaster Aviator Sea Diver
Nivada was hit hard by the quartz crisis but it's being brought back by a few industry pros, this is one of two lines they're starting with
38.3mm case size, available with manual-wind or automatic movements, 100m water resistance, super useful count-up and 12-hour bezel
Just a good vintage-sized tool watch, and fairly reasonably priced for a mechanical chrono