BALL Trainmaster Power Reserve NM1056D-S1J-WH watch with automatic modified ETA movement, stainless steel case, sapphire crystal, and micro gas tubes for night reading capability. White dial with date calendar and power reserve indicator. Stainless steel bracelet
Factory Model Number. M1056DS1JWH.
ETA Cal. 2897 21 jewels Swiss Automatic.
Date calendar, window display. Power Reserve hand indicator.
Highly polished finish, solid 316L Stainless steel.
Sport style, screw-down (threaded).
Sapphire. Anti-Glare treated. Domed profile.
White color. Micro gas light (3H) tubes on hour, minute, second hands and dial for night reading capability.
Screw-on style ( held by screws ). Sapphire observation crystal.
Combination satin/polished finish. Solid Stainless steel.
Butterfly style ( hidden deployant ), center opening. Factory Logo engraved/embossed.