Jack Mason Canton SaltvsGruppo Gamma Field III GMT Date
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 and reviewers widely praise the Jack Mason Canton Salt for its high-quality finishing, textured dials, and the inclusion of the La Joux-Perret G100 automatic movement. The 39mm case is noted for its slim profile and comfortable wearability, with some specifically highlighting the versatility of the white dial and the attractive green and white variants. However, some owners find the case proportions stubby and the design uninspired, while others report issues with the clasp's micro-adjustment system and overly tight bracelet screws. Accuracy figures range from ±7 seconds per day, and the movement offers a 68-hour power reserve. On balance, owners and reviewers rate the Jack Mason Canton Salt highly for its impressive finishing and value, particularly appreciating the well-executed case and bracelet.
Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.
At a glance
13 of 29 specs differFull specifications
Case
6 specsCrystal & Dial
3 specsMovement
3 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 Jack Mason Canton Salt vs Gruppo Gamma Field III GMT Date 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.









