U-BOAT Stratos 40 BK Ref. 9002 Classico extra thin - manually wound Swiss U-28 caliber

MOVEMENT:
mechanical hand winding, personalized to U-BOAT specifications for stem to be positioned at 9 o'clock.
Frequency: 21,600 vibrations per hour. Power reserve: 42 hours. 17 jewels.

FUNCTIONS:
hours, minutes.

CASE:
stainless steel AISI 316L, distinguishing patented crown on left side. Serial number plate fixed on the side of the case.Diameter 40 mm.
Bezel ring in polished tungsten. Thickness 9,50mm.

BACK:
sealed with seven external screws, opening U-shaped sapphire fumé crystal with movement view.

DIAL:
three superimposed dials, the upper one in black with luminous beige hands and markers. Visible ruby.

CRYSTAL:
sapphire crystal with anti-reflective coating.

WATER RESISTANCE:
100 mt, 10 ATM.

STRAP:
handmade and hand-finished dark brown alligator leather. Stainless steel tongue buckle. Width: 20/18 mm.