U-Boat CLASSICO 50 TUNGSTENO AS 1
Automatic mechanical, personalized to U-Boat specifications for stem to be positioned at 9 o’clock. Aiguillage adjusted: H3. Frequency: 28.800 vibrations per hour, 4 Hz. Power reserve: 40 hours. 25 jewels.
Hours, minutes, seconds, date at 3 o’clock.
Stainless steel 316L AISI, satin hand finish, bezel ring with shiny finishing, distinguishing crown on the left side, with a special protective device (protected as a Trade Mark). 50 mm diameter.
Sealed with 8 external screws, small window with sapphire crystal showing the movement balancer.
Beige or black with visible ruby. Arabic numerals, black or luminous beige hands and markers.
High quality sapphire, scratchproof.
100 mt, 10 ATM.
Hand made and hand finished calf leather (dark brown for the version with black dial, brown for the version with beige dial) stainless steel plate, deployment buckle. Width for 50 mm diameter: 23/22 mm.