Ball Engineer Master II Moonphase with black guilloche dial, tritium gas filled luminous tubes in hands, dial and rotating moon with Ball automatic movement Cal.968. Stainless steel case and bracelet.
Swiss made Mechanical Automatic (Powered by wrist motion). Ball modified Cal.968.
Day/Date calendar, window display. Moon Phase indicator window. Tritium gas filled tubes inside the moon disc, making the moon glow.
Satin finish solid AISI 316L Stainless steel.
Factory Logo engraved/embossed. Sport style, screw-down (threaded).
Sapphire. Anti-Glare treated. Domed profile.
Black color. Guilloche texture. Micro gas light (3H) tritium filled tubes on 12,3,6 and 9 hour markers; hour, minute and second hands, moonphase disc, for night reading capability.
Steel color. Tritium luminous filled.
Screw-down style ( threaded ). Solid Stainless steel. Factory Engraved/Raised Logo.
Combination satin/polished finish. Solid AISI 316L stainless steel.
Butterfly style ( hidden deployant ), center opening. Factory Logo engraved/embossed.
This model is available with leather strap (price is different).
Shock resistance: 5,000Gs