The Chronomat Automatic GMT 40 is Breitling’s tribute to travel, not only for its dual time zone display, but also because of its easygoing aesthetics. Subtle dial colors, combined with an all-steel case and bracelet, work with any wardrobe. Meanwhile, the tone-on-tone 24-hour scale lets the red GMT hand speak for itself. The Breitling Caliber 32 powers the GMT complication. Its 24-hour scale lets the user track a second time zone and know at a glance whether it’s day or night, while the “onion”...