Side by side

Hamilton Khaki Navy GMT AutovsGrand Seiko SBGE277

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 GMT Auto

The Hamilton Khaki Navy GMT Auto is widely praised for its true GMT function and 80-hour power reserve, with owners noting its excellent quality for the price. Reviewers highlight its legible syringe hands and Arabic numerals, well-functioning inner bezel, and comfortable wearability due to its 12.5mm thickness and brushed case finishing. Some owners report minor cosmetic flaws like paint chips or scrapes, and accuracy figures vary, with one owner seeing -5 seconds per day and another noting +5 seconds per 24 hours. The 43mm case is 13.9mm thick, and while some find the slab-sided profile mitigates the perceived height, others note the lug-to-lug measurement can be a stumbling block. The movement is described as nicely decorated, though one owner notes a loud rotor sound, and the lack of AR coating on the sapphire crystal is a drawback for some.

From video reviewers

The sapphire crystal is a strength cited by both reviewers. Both reviewers noted the ETA movement as reliable.

Grand Seiko SBGE277

Owners find the Grand Seiko SBGE277 gorgeous, with one owner noting their wrist size can accommodate it. The watch was purchased in Japan for $4950 USD, benefiting from a 35-year low yen. One owner expresses significant concern over reported negative experiences with the brand's New Jersey service center, fearing long wait times and subpar treatment. On balance, owners find the Grand Seiko SBGE277 gorgeous, though service center experiences are a notable concern for some.

From video reviewers

The Spring Drive movement's accuracy and smooth seconds hand are consistently praised. Reviewers also note the exceptional dial and hand finishing. No shared weaknesses were identified across the reviews.

At a glance

11 of 29 specs differ
Diameter
Khaki Navy GMT Auto43mm
SBGE27744mm
Power Reserve
Khaki Navy GMT Auto80h
SBGE27772h
Water Resistance
Khaki Navy GMT Auto300m
SBGE277200m
MSRP
Khaki Navy GMT Auto$1,525
SBGE277$6,800

Full specifications

Case

5 specs
Diameter
43mm
44mm
Thickness
13.9mm
14.7mm
Lug-to-Lug
52mm
50.8mm
Lug Width
22mm
21mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Silver

Movement

3 specs
Caliber
H-14
9R66
Type
Automatic
Spring Drive
Power Reserve
80h
72h

Pricing

1 specs
MSRP
$1,525
$6,800
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