U-BOAT Chimera 46 Sapphire Green Chronograph SS Ref. 8528 Limited Edition of 500

TECHNICAL DETAILS
Coming with a patented crown-release system placed at 8 o'clock to facilitate time and date setting.

MOVEMENT:
automatic mechanical chronograph processed and modified according to U-BOAT specifics. Custom skeletonized rotor.
28,800 BpH (4 Hz) frequency. 48 hours power reserve. 25 jewels (rubies).

FEATURES:
hours, minutes, seconds, chronograph, date, 24h.

CASE:
AISI 316L stainless steel, 46mm diameter. Bezel and caseback held together by external ties in the form of specific screws with a custom head type bound to the caseback.
An external oversized crown cap for an easier grasp, with a system to keep it attached to the carrure, secured at 9 o'clock (crown-securing patented system).

CASEBACK:
firmly held in place by 5 screws secured on the bezel. U shaped view on movement covered by a clear flat sapphire glass.

DIAL:
dual-layer dial. Upper layer made in matte black metal. Laser cut numbers, indices and counters; lower layer in sapphire.

HANDS:
hour and minute hands made out of thin laser-cut metal on a hand-painted and hand brushed surface; chrono second hand and 24 hour hand, painted green.

CRYSTAL:
high-quality domed sapphire glass treated with anti-reflective coating. Lower one in sapphire glass as well.

WATER RESISTANCE:
100mt, 10 ATM.

STRAP:
Laser-cut leather in black aged through natural process. Made in Tuscany by expert craftsmen with a thorough process of leather and materials selection,
then completely manufactured in Italy. Seams in waxed cotton. Steel tongue buckle. Width: 22/22mm.
Strap: ref. 8764/Z Buckle: 1763/SCREWS