Oris Aquis ChronographvsYema Flygraf Bi-Compax French Air Force

The Oris Aquis Chronograph is praised for its refined 43.5mm case and dial layout, offering a 62-hour power reserve from the Caliber 771-1 movement. It maintains a 300m water resistance rating and a ceramic bezel. Some reviewers note the crown guards create imbalance and the date cutout intrudes on the 6 o'clock subdial. Strap changes require tools, though the bracelet includes a quick-adjust clasp. On balance, reviewers highlight the Oris Aquis Chronograph's improved wearability and symmetrical dial as key strengths at its price point.

Owners widely praise the Yema Flygraf Bi-Compax French Air Force for its attractive, toolish aesthetic and excellent quality for the price, noting the legible Type A dial and 40mm titanium case. However, the acrylic crystal scratches easily, and the titanium case is prone to marking. The mecha-quartz movement's chrono timer sweeps rather than ticks, and one owner questions the purpose of the oversized crown. The in-house Yema 2000 movement is accurate at +/- 10 seconds per day but has a 42-hour power reserve, and some owners express concerns regarding Yema's past quality control and customer service. On balance, owners rate the Yema Flygraf Bi-Compax French Air Force highly for its attractive design and value, despite concerns about material durability and brand service history.