Hublot Big Bang 301.CI.1770.RX Black Dial
The Hublot Big Bang 301.CI.1770.RX has a 44 mm matt-black case and bezel with a black dial. Automatic caliber HUB 4100 supplies an approximately 60-hour power reserve and sweep-motion seconds. Sapphire crystal, a black silicon rubber bracelet, and a fold clasp complete the specification.
Specifications Case: 904L stainless steel, 44 mm, matt black; bezel: 904L stainless steel, matt black; crystal: sapphire; dial: black, stick indices; movement: automatic, HUB 4100; mechanism options: Japanese or Swiss; bracelet: silicon, rubber type, adjustable; functions: hours, minutes, seconds, date; precision: (-3/+3 sec/day) within COSC certification limits; water resistance: passed a 30 m test.

