Side by side

Hamilton Khaki Navy Scuba Automatic GMT 43mm BronzevsSpinnaker Cahill Automatic

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

10 of 29 specs differ
Diameter
Khaki Navy Scuba Automatic GMT 43mm Bronze43mm
Cahill Automatic42mm
Power Reserve
Khaki Navy Scuba Automatic GMT 43mm Bronze80h
Cahill Automatic40h
Water Resistance
Khaki Navy Scuba Automatic GMT 43mm Bronze300m
Cahill Automatic200m
MSRP
Khaki Navy Scuba Automatic GMT 43mm Bronze$1,675
Cahill Automatic$350

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
43mm
42mm
Thickness
13.9mm
13.7mm
Lug-to-Lug
46mm
51mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

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

Pricing

1 specs
MSRP
$1,675
$350

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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 Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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