Simple functionality and elegant design. Performance of fine-tuned precision paired with tough craftsmanship. Unstoppable glow of micro gas tubes. Rooted in purposeful watchmaking, the Engineer II Moon Calendar is a dress watch with distinction. Day, date, month, and moon phase. The true calendar timepiece showcases sophisticated functionality with high legibility. The spacious day and month windows are perfectly complemented by the whimsical fourth hand and its crescent moon tip that indicates the date. Not to be overshadowed, the moon phase display showcases BALL’s watchmaking prowess with elegance and precision, accompanied by markings that indicate the time it takes for the moon to complete one phases cycle: 29½ days. Crafted from stainless steel, the 40mm case of the Engineer II Moon Calendar is tough enough to handle all the unexpected bumps of daily wear with smooth elegance. At a case thickness of just 13.4mm, this everyday watch ensures a comfortable wearing experience. With 4 recessed pushers on the flanks of the case to control the adjustment of the complications, the design of the Moon Calendar is unadulterated minimalism at its best. The self-powered H₃ micro gas tubes provide extreme readability and trusted reliability in all pursuits. From tasteful design to robust technology, the timepiece is perfect for every day, every adventure.