Side by side

Hamilton Khaki Navy GMT AutovsJack Mason Strat-o-timer GMT

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.

Jack Mason Strat-o-timer GMT

Owners widely praise the Jack Mason Strat-o-timer GMT for its impressive fit and finish, excellent value, and true traveler GMT complication, especially considering its price point. Reviewers and owners alike highlight the comfortable 40mm tonneau case, sapphire crystal bezel, and retro styling. Some owners note the hour markers are "chubby" but do not affect legibility, and the strap ends are slightly large. One owner describes the 7-link bracelet as rivaling luxury brands. On balance, owners and reviewers rate the Jack Mason Strat-o-timer GMT highly for its build quality and value proposition.

At a glance

10 of 29 specs differ
Diameter
Khaki Navy GMT Auto43mm
Strat-o-timer GMT40mm
Power Reserve
Khaki Navy GMT Auto80h
Strat-o-timer GMT42h
Water Resistance
Khaki Navy GMT Auto300m
Strat-o-timer GMT200m
MSRP
Khaki Navy GMT Auto$1,525
Strat-o-timer GMT$1,099

Full specifications

Case

6 specs
Category
GMT
Diameter
43mm
40mm
Thickness
13.9mm
13.2mm
Lug-to-Lug
52mm
47mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Silver

Movement

2 specs
Caliber
H-14
Miyota 9075
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$1,525
$1,099
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