The Ball Engineer III Pioneer Power Reserve is a timepiece that redefines durability and precision. Encased in 904L stainless steel, it's built to withstand the harshest conditions, with shock resistance up to 5000 Gs and antimagnetic properties of 80000 A/m. The blue dial is adorned with 23 micro gas tubes on the hands and indices, providing exceptional luminosity even in the darkest environments. The anti-reflective sapphire crystal ensures clear visibility, while the 40mm case diameter and 13.75mm height offer a perfect balance of presence and wearability. It features a day calendar, a screw-down crown, and water resistance up to 10 atmospheres. The 904L stainless steel bracelet is secured with a folding clasp featuring push buttons. Swiss-made to the highest standards, the Ball Engineer III Pioneer Power Reserve is a symbol of robust Swiss craftsmanship.