Hamilton H71706830 Khaki Field Automatic Chronograph Winders / Storage these models maintain constant Bluetooth®

these models maintain constant Bluetooth® connection with a smartphone running the G-SHOCK Connected app to obtain accurate time information from an on-line time server for automatic time adjustment

600 vibrations per hour

Water-Resistance: 100 m (10 ATM)

movements never require a battery

Hamilton H71706830 Khaki Field Automatic Chronograph Winders / Storage these models maintain constant Bluetooth®Rugged, resilient and precise, the Khaki Field Automatic Chronograph is the perfect timepiece for confident explorers. A special engraving on the case back of this 44mm sandblasted stainless steel field watch pays tribute to Hamilton's military heritage, and SuperLuminova coated raised numerals add readability and depth to its dial. Paired with a comfortable leather bund strap, this high performance accessory is made for outdoor adventures. The H 21