Black/Green U-Boat U-65 Automatic Ref.: 3347 unworn Case: Stainless steel, diameter 44 mm (measured without crown) height approx. 18 mm, 5 ATM (50 m) water resistance, 6-way screw-down back with sight glass, domed mineral crystal scratch-resistant, crown left green with manufacturer logo Dial: Luminescent hands and luminous numerals, movement is visible, green indexes and numbers Movement: MIYOTA 8N24 Autoamtik 21 jewels, 42 hour power reserve when fully wound, 21600 s/H, Stop seconds to accurately set the time Band: strong black rubber strap with U-Boat lettering, black pin buckle with manufacturer logo, lug 22 mm, maximum arm circumference 22 cm The instructions for use must be downloaded from the internet.