The Orient Mako 40 RA-AC0Q16N30B is a compact automatic diver-style watch featuring a 39.9 mm stainless steel case and a grey sunburst dial. It is powered by the in-house automatic mechanical calibre F6722, offering both automatic and manual winding capabilities, along with hacking seconds for precise time setting. The watch provides an approximate 40-hour power reserve and is water-resistant up to 200 meters (20 bar), making it suitable for swimming and aquatic activities. Additional features include a unidirectional rotating bezel, a screw-down crown, and a stainless steel bracelet with a secure clasp. The dial is protected by a scratch-resistant sapphire crystal, and luminous hands and indices ensure clear readability in various lighting conditions. A discreet date window is positioned at 3 o'clock for added functionality. Reference number: RA-AC0Q16N30B.