Side by side

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.

Canton Salt
Jack MasonCanton Salt
MSRP $1,199
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Jack Mason Canton Salt

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.

Gruppo Gamma Field III GMT Date

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 differ
Diameter
Canton Salt39mm
Field III GMT Date40mm
Power Reserve
Canton Salt68h
Field III GMT Date41h
Water Resistance
Canton Salt150m
Field III GMT Date200m
MSRP
Canton Salt$1,199
Field III GMT Date$459

Full specifications

Case

6 specs
Category
GMT
Diameter
39mm
40mm
Thickness
10.8mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
150m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
La Joux-Perret G100
Seiko Instruments NH38A
Power Reserve
68h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,199
$459
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