Side by side

Hamilton Khaki Navy Scuba AutovsTissot Seastar 1000 Powermatic 80 GMT

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

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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 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.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

At a glance

12 of 29 specs differ
Diameter
Khaki Navy Scuba Auto40mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
Khaki Navy Scuba Auto80h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
Khaki Navy Scuba Auto100m
Seastar 1000 Powermatic 80 GMT300m
MSRP
Khaki Navy Scuba Auto$975
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
46mm
Thickness
12.95mm
15.4mm
Lug-to-Lug
0mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Yes
Indices
Indexes
Lume
None
Super-LumiNova ®

Movement

1 specs
Caliber
Hamilton H-10
Tissot Powermatic 80

Pricing

1 specs
MSRP
$975
$1,375
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