Introducing a new collection of basic-black additions to the popular Big Case Series. Touches of red and other colors provide great looking accents against the basic black of the cases, bands, digital displays, bezel lettering, and buttons. Base model is GD-400 comes with protector for the areas

Introducing a new collection of basic-black additions to the popular Big Case Series. Touches of red and other colors provide great looking accents against the basic black of the cases, bands, digital displays, bezel lettering, and buttons. Base model is GD-400 comes with protector for the areas where the band joins the watch, which protect against impact from the back of the watch.

• Dial Color: Black/green
• Dial Window Material: Mineral
• Display Type: Digital
• Case Material: Resin/Stainless steel back
• Case Dimension: 55 × 49.7 × 16.6 mm
• Band Material: Resin
• Clasp Type: Buckle
• Movement: Japanese Quartz
• Water Resistant: 200 M
• Shock Resistant
• LED backlight (Super Illuminator)
• Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
• Flash alert
• Flashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signal
• Multi Time (4 different cities)
• World time
• 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
• 1/100-second stopwatch
• Measuring capacity: 23:59'59.99''
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Countdown timer
• Measuring unit: 1/10 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
• 5 daily alarms or one-time alarms
• Hourly time signal
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping: Hour, minute, second, pm, month, date, day
• Accuracy: ±15 seconds per month
• Approx. battery life: 3 years on CR2016
• Size of case: 55 × 49.7 × 16.6 mm
• Total weight: 78 g
• LED: White