MOVEMENT
swiss electro-mechanical movement lubricated through an oil bath, personalized to U-BOAT specifications. Working between 0 ÌŠ/+60 ÌŠ when not worn.
FUNCTIONS
Bidirectional inner bezel, references for the second time zone with 30 minute intervals.
CASE
AISI 316L stainless steel completely filled with a special oil that emphasizes the dial, creating the illusion of the absence of glass, and an optical effect of a more intense black and higher legibility. Visible air bubble on the dial to compensate the temperature variations. Double crown on the left side, one for the time adjustment, the other for the second time setting. 45 mm diameter.
BACK
innovative locking system (Locking Ring System) with quick battery replacement.
DIAL
two superimposed layers, with rotating inner bezel. Hands, numbers and indexes treated with superluminova in beige colour, visible tightening screws. Second time zone hand.
CRYSTAL
high quality curved sapphire.
AM 161 21 122 44MM 
HISTORIADOR 1519 GMT 40MM 
Historiador Landeron 40mm