U-Boat Darkmoon 25 ° SS BLACK /Root/Start Calibre 4401 with Flyback function

Calibre 4401 with Flyback function offers 70 hours of power reserve

The green dial features luminous hands and luminous indices

calendar with day of the week and month

which operates with a microrotor and offers 38 hours of power reserve

The material is extremely hard and therefore can only be machined with considerable effort — the angular shape of the Square Bang makes production additionally demanding

U-Boat Darkmoon 25 ° SS BLACK /Root/Start Calibre 4401 with Flyback functionU Boat Darkmoon 25 SS BLACK (Reference 2027) Reference 2027 presents the Darkmoon in an uncoated steel case. Compared to the PVD version of the same color, this creates a contrast between the bright case and the black dial. The Ronda 762 quartz calibre drives the watch. The crown is positioned on the left side of the case and is screw down; luminous hands and luminous indices ensure legibility. At 46. 5 mm in diameter, water resistance is 50 meters,