Side by side

Hamilton Khaki Field Auto ChronovsMaen Grand Tonneau Ultra Thin

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

Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

11 of 29 specs differ
Diameter
Khaki Field Auto Chrono42mm
Grand Tonneau Ultra Thin34mm
Power Reserve
Khaki Field Auto Chrono60h
Grand Tonneau Ultra Thin40h
Water Resistance
Khaki Field Auto Chrono100m
Grand Tonneau Ultra Thin50m
MSRP
Khaki Field Auto Chrono$2,175
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
42mm
34mm
Thickness
14.5mm
6.4mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Black
MNL.04

Movement

2 specs
Caliber
H-21
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,175
$1,519

Follow this matchup

Get a note when Hamilton Khaki Field Auto Chrono vs Maen Grand Tonneau Ultra Thin 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 Field Auto Chrono

The Hamilton Khaki Field Auto Chrono is widely praised for its retro military design, value proposition, and reliable ETA movement. Reviewers highlight its 42mm steel case, 100m water resistance, and the H-21 automatic movement offering a 60-hour power reserve. One editorial review notes the unusual dial layout omits a running seconds indicator for symmetry, featuring day and date windows instead. The case is described as black PVD-treated stainless steel with a brushed finish and polished bezel, complemented by a black-on-black dial with dark grey Super-LumiNova and polished Arabic numerals. Overall, owners and reviewers consider the Hamilton Khaki Field Auto Chrono a well-designed tactical sports watch offering a strong combination of style and value.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

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.