Call Sign
Swiss GMT pilot watches, assembled in the US and made for every day.
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American Legion x Call Sign
The Discovery in Blue, Silver and the Legion emblem on the dial. With every American Legion watch sold, a portion of proceeds is returned to support The American Legion.
See the Legion seriesFind the right size
Two Discovery sizes. Find the fit and presence you want.
Discovery Classic 38$395 |
Discovery Lume 42$395 | |
|---|---|---|
| Case | 38mm across, 11.3mm profile | 42mm across, 11.3mm profile |
| Best for | Smaller wrists, and anyone who finds 42mm too much | The classic pilot-watch presence |
| Movement | Swiss Ronda GMT quartz | Swiss Ronda GMT quartz |
| Second time zone | Crescent window at 12 | Crescent window at 12 |
| Crystal | Sapphire, dual anti-reflective coating | Sapphire, dual anti-reflective coating |
| Dial | Superluminova®, White with rose trim | Superluminova®, Classic navy |
| Engraving | Included | Included |
It’s tough, durable and easy to read but still sharp enough to go from an afternoon at the shop to a nice dinner out. I get more comments on this watch than I do on my real “pilot watch.” Form follows function with the Discovery Classic, and the elegance is in the simplicity.
RyanDiscovery Classic 42 · Verified buyer · April 2026As a military instructor pilot, I have been looking for a beautiful analog watch that displays zulu time at a quick glance. This watch is subtle but brilliant on the wrist, and I have already received several compliments. The packaging and engraving on the back are both fantastic.
Nicholas T.Discovery Classic 42 · Verified buyer · December 2023I am impressed by the detail and craftmanship of the watch. Finding my pilot certificate number on the back added extra excitement. The zulu time feature is easy to read and stylish, making adjustments for time zone changes is easy as well.
SteveDiscovery Classic 42 · Verified buyer · November 2023Verified purchase reviews collected through Judge.me on mycallsign.com, shown as written. These reviews are for the Discovery Classic 42.
The Discovery 38 has a more compact fit; the 42 has the classic pilot-watch presence. Both show a second time zone in the crescent window. Compare their dimensions and features in the size guide above.
The crescent window at 12 shows a second time zone on a 24-hour scale while the hands show local time. Many pilots set the crescent to Zulu time.
Yes. You can add two lines of personal engraving on the caseback of a Discovery watch at no extra charge. Enter your message on the product page. Engraved watches cannot be returned or exchanged.
Every watch, engraved or not, ships within 1 to 5 business days. You will receive tracking by email when it leaves. We do not ship on weekends or holidays.
Every Discovery carries a 2-year manufacturer warranty against defects in materials and workmanship. Call Sign also replaces the battery for life and reseals the case after service.
An unengraved watch can be returned within 30 days of receipt for a full refund if it is unworn and in its original packaging. Contact service@mycallsign.com for return instructions. Engraved watches cannot be returned or exchanged.
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