Side by side

Hamilton Khaki Navy Scuba Automatic GMT 43mm BronzevsSpinnaker Dumas Automatic

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

9 of 29 specs differ
Diameter
Khaki Navy Scuba Automatic GMT 43mm Bronze43mm
Dumas Automatic44mm
Power Reserve
Khaki Navy Scuba Automatic GMT 43mm Bronze80h
Dumas Automatic40h
Water Resistance
Khaki Navy Scuba Automatic GMT 43mm Bronze300m
Dumas Automatic300m
MSRP
Khaki Navy Scuba Automatic GMT 43mm Bronze$1,675
Dumas Automatic$239

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
43mm
44mm
Thickness
13.9mm
15mm
Lug-to-Lug
46mm
48mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
H-14
SII NH35A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,675
$239

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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 Automatic GMT 43mm Bronze

The Hamilton Khaki Navy Scuba Automatic GMT 43mm Bronze is widely praised for its excellent fit and finish, pleasing proportions with a 22mm lug width, and a matte dial that minimizes glare. Owners appreciate its 300 meters of water resistance, 80-hour power reserve from the H-14 automatic GMT movement, and the fact that it wears smaller than its 43mm size suggests. Some owners find the flush crown guards and rock-solid feel make it an outstanding beater dive watch. However, opinions are split on the date placement, dial markers, and logo text size, with some preferring a cleaner look and faster setting due to the lack of a date window, while others note the absence of a lumed bezel pip. One owner dislikes the trade-offs for the 80-hour power reserve, preferring a smoother second hand sweep and more torque, and finds the bezel action tight.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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