Which is cheaper, the Hamilton Khaki Field Mechanical Bronze or the Maen Grand Tonneau Ultra Thin?

At MSRP the Hamilton Khaki Field Mechanical Bronze is the cheaper of the two at $1,025, against $1,519 for the Maen Grand Tonneau Ultra Thin — a $494 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Field Mechanical Bronze or the Maen Grand Tonneau Ultra Thin?

The Hamilton Khaki Field Mechanical Bronze wears larger at 38mm versus 34mm for the Maen Grand Tonneau Ultra Thin — a 4mm difference across the dial.

Which has a longer power reserve, the Hamilton Khaki Field Mechanical Bronze or the Maen Grand Tonneau Ultra Thin?

The Hamilton Khaki Field Mechanical Bronze carries a 80-hour power reserve against 40 hours on the Maen Grand Tonneau Ultra Thin.

What movement does the Hamilton Khaki Field Mechanical Bronze run compared to the Maen Grand Tonneau Ultra Thin?

The Hamilton Khaki Field Mechanical Bronze runs a manual caliber (H-50), while the Maen Grand Tonneau Ultra Thin runs a automatic.

Side by side

Hamilton Khaki Field Mechanical BronzevsMaen Grand Tonneau Ultra Thin

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

Hamilton Khaki Field Mechanical Bronze

h69459510

MSRP $1,025

Maen Grand Tonneau Ultra Thin

grand-tonneau-ultra-thin-mnl-04

MSRP $1,519

At a glance

11 of 29 specs differ

Diameter

Khaki Field Mechanical Bronze38mm

Grand Tonneau Ultra Thin34mm

Power Reserve

Khaki Field Mechanical Bronze80h

Grand Tonneau Ultra Thin40h

Water Resistance

Khaki Field Mechanical Bronze50m

Grand Tonneau Ultra Thin50m

MSRP

Khaki Field Mechanical Bronze$1,025

Grand Tonneau Ultra Thin$1,519

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

White

MNL.04

Movement

3 specs

Caliber

H-50

—

Type

Manual

Automatic

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,025

$1,519

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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 Field Mechanical Bronze

Owners and reviewers widely praise the Hamilton Khaki Field Mechanical Bronze for its attractive bronze case that develops a unique patina, its comfortable 38mm size, and the satisfying winding action of its hand-wound H-50 movement, which provides an 80-hour power reserve. The vintage military design, legible matte black dial with beige lume, and overall value are frequently highlighted as key strengths. Some owners note the lugs appear large, and while earlier models had 50m water resistance, newer versions offer 100m. Overall, owners and reviewers rate the Hamilton Khaki Field Mechanical Bronze highly for its vintage aesthetic and character-building patina at an accessible price.

From video reviewers

The watch's bronze case develops a unique patina over time, adding to its character. A potential weakness is the watch's bronze reacting with certain skin types or environments, causing discoloration or staining. Reviewers disagree on the lume brightness, with one reviewer finding it lacking and the other not mentioning it.

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.

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