Under the sapphire glass, a thin layer of Anatolite, the most effective existing color-change gem.Unique and rare, this 30ct special stone acquires different colors when viewed under different lights.
automatic mechanical, personalized to U-BOAT specifications, with date display and stem
position at 9 o’clock. Laser cut rotor as by U-BOAT specifications.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 42 hours. 21 jewels.
hours, minutes, seconds, 24h for second time zone, date.
AISI 316L stainless steel with satin finish, distinctive crown on left side with patented protection device.
Diameter 45 mm. Polished tungsten bezel.
sealed with seven external screws, a fumé sapphire crystal reveals the movement.
beige with black hands and markers. Red 24h indicator hand.
sapphire, anti-reflective blue coating. A layer of Anatolite (30 ct.), gemstone which changes colour under
different light sources, allows the dial of the watch to change colour from amber yellow to green and vice versa.
100 mt, 10 ATM.
handmade and hand-finished dark brown calf leather. Stainless steel tongue buckle. Width: 20/20 mm.
Strap: ref. 4108/Z Buckle: ref. 4879