Side by side

Hamilton Khaki Aviation Converter AutovsSugess Seestern S446 GMT

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

Khaki Aviation Converter Auto
HamiltonKhaki Aviation Converter Auto
MSRP $1,345
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Converter Auto42mm
Seestern S446 GMT40mm
Power Reserve
Khaki Aviation Converter Auto80h
Seestern S446 GMT41h
Water Resistance
Khaki Aviation Converter Auto100m
Seestern S446 GMT100m
MSRP
Khaki Aviation Converter Auto$1,345
Seestern S446 GMT$269

Full specifications

Case

5 specs
Category
Pilot
GMT
Diameter
42mm
40mm
Thickness
10.87mm
10mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
19mm

Crystal & Dial

1 specs
Lume
None
Tritium

Movement

4 specs
Caliber
H-10
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
80h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$1,345
$269

Follow this matchup

Get a note when Hamilton Khaki Aviation Converter Auto vs Sugess Seestern S446 GMT gets more votes, a community discussion, or a price drop. No account needed.

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 Aviation Converter Auto

The Hamilton Khaki Aviation Converter Auto is recognized for its classic pilot's watch aesthetic, featuring a functional bi-directional slide rule bezel with a mineral glass insert for scratch protection. Reviewers highlight its instrument-heavy design, well-balanced dial, and robust 42mm or 44mm case with a satin-brushed finish and polished accents. The watch is equipped with applied indexes and hands filled with Super-LumiNova for legibility, and a flat sapphire crystal with double anti-reflective coating. The automatic models utilize the H-10 movement, offering a 60-hour power reserve, while the chronograph version uses the H-21-Si movement. Overall, reviewers praise the Hamilton Khaki Aviation Converter Auto for its attractive, functional pilot's watch design and robust build at its price point.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.