Here is a GMT for the person who wants a steel tool watch but finds jet black a little predictable. The Spirit Zulu Time 39mm with a sandblasted anthracite dial on the steel bracelet reads as monochrome and modern, and its granular finish catches light in a way a glossy dial never does.

Longines specifies reference L3.802.4.63.6 with an anthracite dial and matching ceramic bezel insert. Inside, caliber L844.4 delivers a true GMT function: set the local hour hand on its own while the 24-hour hand keeps reference time, a layout pilots have relied on since Longines introduced its first dual-time watch in 1925. The movement carries COSC certification and a silicon balance spring that shrugs off everyday magnetism.

The bracelet tapers neatly from the 39mm case and fastens with a double safety clasp. It is a watch you can wear through airport security, a hotel gym and a client dinner without a second thought.

Spirit Zulu Time L3.802.4.63.6 at a Glance

• 39mm stainless steel case, 13.5mm in height
• Anthracite sandblasted dial, luminous Arabic numerals, date at six
• Two-way rotating bezel with anthracite ceramic 24-hour scale
• Self-winding L844.4 GMT caliber, COSC chronometer
• 25,200 vibrations per hour, approximately 72 hours of autonomy
• Sapphire crystal, screw-down crown, 100m water resistance
• Steel bracelet with push-button double safety folding clasp

Gray-toned, versatile and ready for a second time zone whenever the itinerary calls for one.