Hamilton Khaki Field Mechanical Power ReservevsSugess Heritage S463 BB GMT

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 Sugess Heritage S463 BB GMT for its excellent finishing and premium look, with particular acclaim for its comfortable bracelet featuring screwed links and solid end links, and a dive clasp. The watch is noted for its attractive font and a case that is thinner than its inspirations. Accuracy figures vary, with one owner reporting +7 seconds per day, while another sees a range from +1/+2 to about -6 s/day. Some owners find the 40mm case size a deterrent, and opinions are split on the GMT hand design and the crown action, with one owner noting a slightly wobbly crown. A few users expressed concern about the 10 bar water resistance given its diver-like appearance. Overall, owners rate the Sugess Heritage S463 BB GMT highly for its finishing and bracelet at its price point.