Side by side

Hamilton Khaki Navy Scuba AutovsGruppo Gamma Field III GMT Date

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

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

Hamilton Khaki Navy Scuba Auto

Owners and reviewers widely praise the Hamilton Khaki Navy Scuba Auto for its exceptional value, robust construction, and distinctive dial designs, with many highlighting the 80-hour power reserve provided by the H-10 movement. The watch is frequently noted for its utilitarian dial, legible lume, and tactile bezel action. However, the 43mm case size is a recurring point of contention, with several sources deeming it large for everyday wear, though some owners find it comfortable and appreciate its substantial feel. One reviewer points out that the steel bracelet could benefit from a taper and a quick-adjust clasp, and another notes the unlumed bezel pip as a minor area for improvement. Overall, the Hamilton Khaki Navy Scuba Auto is highly regarded by owners and reviewers for its strong value and appealing tool-watch aesthetic, with the 43mm case size being the most significant consideration for potential buyers.

From video reviewers

The 80-hour power reserve from the H-10 movement is a significant strength. Reviewers noted the bezel action and bracelet/clasp as points of focus.

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

11 of 29 specs differ
Diameter
Khaki Navy Scuba Auto40mm
Field III GMT Date40mm
Power Reserve
Khaki Navy Scuba Auto80h
Field III GMT Date41h
Water Resistance
Khaki Navy Scuba Auto100m
Field III GMT Date200m
MSRP
Khaki Navy Scuba Auto$975
Field III GMT Date$459

Full specifications

Case

5 specs
Category
Diver
GMT
Thickness
12.95mm
14mm
Lug-to-Lug
0mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
H-10
Seiko Instruments NH38A
Power Reserve
80h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$975
$459
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