AVI-8 Flyboy Airmaster GMT AutomaticvsUndone Basecamp Gmt
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures
Owners + reviewers, side by side
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.
The Undone Basecamp Gmt is widely praised for its vintage military aesthetic, comfortable 40mm case, and excellent value under $300, with reviewers noting its smooth, precise bidirectional bezel. Owners and reviewers consistently flag the Lexan polycarbonate crystal as a concern for long-term scratch resistance. The watch uses a Seiko NH34 automatic movement, and while its water resistance is listed as 50 meters, it is reportedly tested to 100 meters. One forum user points out that the orange arrow hand indicates the 12-hour time, not the 24-hour GMT function. Overall, owners and reviewers rate the Undone Basecamp Gmt highly for its versatile vintage design and strong value proposition.
At a glance
9 of 29 specs differFull specifications
Case
6 specsCrystal & Dial
2 specsPricing
1 specsMore watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.