U-BOAT Classico Chrono Sterling Silver 925 Limited Edition X/300 Chronograph Ref. 7453 - 48 mm

STERLING SILVER CASE
MOVEMENT:
automatic mechanical chronograph modified and personalized to U-Boat specifications for date display and stem position at 9 o'clock. Power reserve:
44 hours. 25 jewels. Height: 7 mm. Frequency: 28.800 vibrations per hour,
4 Hz.
FUNCTIONS:
hours, minutes, small second, chronograph 60 s, counter 30 min and
12 h. Date window at 9 o'clock.
CASE:
sterling silver, crown on left side, with a special protective device.
Diameter: 48 mm. Case silver weight: 104,80 gr approx. Thickness: 18,10 mm.
BACK:
sealed with 8 external screws, with small crystal sapphire showing the movement balancer.
DIAL:
two superimposed dials, one in black carbon fiber, the other one cut, treated with composite beige pigments. Arabic numerals. Black hands.
CRYSTAL:
high quality flat sapphire, scratchproof.
WATER RESISTANCE:
50 mt, 5 ATM.
STRAP:
hand made and hand finished calf brown leather and beige alligator lining. Width: 23/22 mm. Deployante buckle cover in sterling silver weight: 28 gr approx. Sterling silver plate weight: 22 gr approx.