U-Boat – Sommerso 46 mm DLC 300 m – 9015
U-Boat – Sommerso 46 mm DLC 300 m – 9015
Designed for diving lovers with a classy style, the Sommerso DLC
features a steel case with a special Ultra-resistant DLC coating
(Diamond like Carbon). Rotating bezel, 300 meters waterproof.
MOVEMENT
Swiss automatic mechanical, personalized to U-BOAT specifications.
Frequency: 28,800 vibrations per hour, 4 Hz.
Power reserve: 44 hours. 26 jewels. Skeletonized rotor.
FUNCTIONS
Date, hours, minutes, seconds, 24h indicator,
graduated uni-directional bezel, screw down crown.
CASE
Stainless steel AISI 316L, with subsequent treatment DLC black,
dintisguishing crown on the left side, with a patented protective device.
Serial number plate fixed on the left side of the case.
Diameter: 46 mm.
BACK
Sealed with seven external screws
DIAL
Three superimposed dials, the upper one in black with luminous
beige hands, numbers and markers. Blue 24h indicator hand.
Steel brushed frame around the numbers.
CRYSTAL
High quality sapphire crystal with anti-reflective treatment,
lent on the date window.
WATER RESISTANCE
300 m. / 330 ft.
STRAP
Ultra-resistant vulcanised rubber, in black color, personalised
with the logo of the Maison in relief.
Width: 22/20 mm.
Strap: ref. 8351/Z.
Tongue buckle in steel with PVD coating.
Buckle: ref. 5467/SCREWS