Hamilton Khaki Field Mechanical Power ReservevsMaen Manhattan 37

The Hamilton Khaki Field Mechanical Power Reserve is noted for its 40mm sandblasted case, filling a size gap in the Khaki Field line. It features a new H-23 hand-wound movement with an 80-hour power reserve and a functional power reserve indicator at 9 o'clock. The case is 11.95mm thick, which is described as noticeably thicker than other Khaki Field models, and its proportions differ from classic manual-wind versions. The movement includes a slipping spring to resynchronize the power reserve indicator after shocks. Overall, reviewers appreciate the addition of the power reserve complication to the hand-wound model, though one reviewer noted a preference for a contrasting color on the indicator.

Owners widely praise the Maen Manhattan 37's visually rich dial and refined finishing, with some noting its sleek, trim 37mm case and impressive timekeeping. The bracelet receives mixed reactions, with some finding it cheap and lacking compared to alternatives, while others appreciate its taper and overall value. One reviewer highlights the Ultra-Thin variant's slim 7.1mm case and 100m water resistance, powered by a manually wound ETA Pesaux 7001 movement. Conversely, another owner reports a Ronda 150 movement running fast at +18s/d to +24s/d, and some with 6.5-inch wrists find the 47mm lug-to-lug distance wears larger than expected. The Maen Manhattan 37 offers excellent value with its Art Deco-inspired design and remarkable light play on the dial. Overall, owners and reviewers rate the Maen Manhattan 37 highly for its visually rich dial and refined finishing at the price.