
Hamilton's blue Khaki Field Mechanical asks for ten seconds of attention every few days. In return, it gives first-time mechanical-watch buyers a clean dial, a thin case and a small daily ritual - with a few caveats worth knowing before checkout.

A rare 1970s prototype returns in signal orange, with a Valjoux 7750 heartbeat, 200 metres of nerve and just enough eccentricity to keep sensible watches awake at night.