Zentra, a WWII German Kriegsmarine mechanical wristwatch,

circular steel case, silvered dial with Arabic numerals, luminous hour indicators and hands, subsidiary seconds dial at 6 position, screw down case back no. 526086, manual winding movement stamped Zentra , cal. 338, to a stainless steel expanding bracelet

Case diameter 30mm

Provenance:

The John Mitchell Collection of Military Horology

Condition Report:

Winds and ticking, not tested for time keeping and continuous running.
Hands adjust.
Deterioration to dial in the form of black marks/spots and dirt build-up, wear to luminous hands.
Scratches to glass and case.