Dimensions:
Case: 1-7/16 x 1-11/16 x 7/16"

All Features:

• Absolute time and date accuracy
• WWVB radio controlled time and date
• Selection of 24 time zones
• US time zones display with three characters
  (ATL, EST, CST, MST, PST, ALA, HAW)
• Day, month, date display
• Signal reception indicator
• Manual transmission seeking function
• Plastic case
• Water resistant
• Metal/plastic band
• Low battery indicatorPowered by 3V CR1620 lithium battery (included)
• Expected battery lifetime of three years

Specifications:

• Power consumption:3V CR1620 lithium battery (included)
• Case: 1-7/16 x 1-11/16 x 7/16"
• LCD: 13/16 x 1/2" (21 x 13 mm)
• Time display: 3/16" (5mm) high
• Band length: 6-1/4 x 13/16" (159 x 21 mm)
• Fits wrists up to 8-3/4" (222mm)