G-Shock GSTB400D-1A G-STEEL Slim Carbon Core Guard Tough Solar Masterpiece The 42mm Khaki Field Auto

The 42mm Khaki Field Auto Chrono is the perfect all-rounder

Countdown Start Time setting Range: 1 second to 24 hours (1-second increments

15 - 21 cm

24 hour hand

The dial is a refreshing burst of orange with black accents

G-Shock GSTB400D-1A G-STEEL Slim Carbon Core Guard Tough Solar Masterpiece The 42mm Khaki Field AutoIntroducing a new lineup of slim G STEEL GSTB400 models with new, improved designs made possible by a thin module and carbon core guard structure. The standard model in this lineup, the GSTB400 1A sports a silver color face and resin band. The GSTB400 is made possible by even further miniaturization of its parts and thinning of its modules without sacrificing any Bluetooth or solar function. Power consumption has also been significantly reduced. In