Hamilton Khaki Field Pioneer AutomatiquevsFormex Reef 42 mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Owners + reviewers, side by side
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report the bracelet quality is a notable drawback for the price, and some find the dial basic and lacking legibility due to the absence of AR coating. However, the Hamilton Khaki Field Pioneer Automatique is praised for its accurate movement featuring an 80-hour power reserve, and its lug-to-lug dimension is noted as near-perfect for smaller wrists. The inclusion of a 24-hour scale is appreciated. Overall, owners find the Hamilton Khaki Field Pioneer Automatique to be just okay for its asking price new, with the movement's performance being a key positive aspect.
The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.
At a glance
10 of 29 specs differFull specifications
Case
5 specsCrystal & Dial
2 specsMovement
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.
Follow this matchup
Get a note when Hamilton Khaki Field Pioneer Automatique vs Formex Reef 42 mm gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.









