Hamilton Khaki Aviation Converter Auto ChronovsVario Empire Art Nouveau Handwound

The Hamilton Khaki Aviation Converter Auto Chrono is widely described as a large 44mm pilot's watch with a functional slide rule bezel. Reviewers note its well-finished steel case, featuring a robust satin-brushed finish with polished accents and chamfers, and a legible blue sunray dial with applied Super-LumiNova markers and old-fashioned hands. It is powered by the H-21-Si automatic chronograph movement, an upgraded ETA-based caliber with a silicon balance spring for anti-magnetic properties, offering a 60-hour power reserve. The watch is rated to 100m water resistance and features a bi-directional slide rule bezel with graduations printed under K1 mineral glass for scratch protection, which is easy to manipulate due to its deeply notched steel design. Some find the slide rule bezel complicated to use without a manual. One owner notes its character does not appeal as much as other slide bezel chronos.

Owners widely praise the Vario Empire Art Nouveau Handwound for its detailed, multi-layered dial featuring applied numerals and guilloche patterns, its elegant Art Deco-inspired design, and the enjoyable winding feel of the Miyota 6T33 handwound movement, often visible through an exhibition case back. The 38mm case size is considered a positive by many, and the included leather strap is noted for its comfort and quality. Some owners find the differing fonts on the sub-dials and perimeter less appealing, and the absence of a constant seconds sub-dial is flagged as a drawback. On balance, owners rate the Vario Empire Art Nouveau Handwound highly for its distinctive Art Deco styling and detailed dial at its price point.