Which is cheaper, the Hamilton Khaki Field Mechanical Bronze or the Spinnaker Dumas Automatic?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $1,025 for the Hamilton Khaki Field Mechanical Bronze — a $786 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Field Mechanical Bronze or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic wears larger at 44mm versus 38mm for the Hamilton Khaki Field Mechanical Bronze — a 6mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Field Mechanical Bronze or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic is rated to 300m versus 50m for the Hamilton Khaki Field Mechanical Bronze.

Which has a longer power reserve, the Hamilton Khaki Field Mechanical Bronze or the Spinnaker Dumas Automatic?

The Hamilton Khaki Field Mechanical Bronze carries a 80-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Hamilton Khaki Field Mechanical Bronze run compared to the Spinnaker Dumas Automatic?

The Hamilton Khaki Field Mechanical Bronze runs a manual caliber (H-50), while the Spinnaker Dumas Automatic runs a automatic (SII NH35A).

Side by side

Hamilton Khaki Field Mechanical BronzevsSpinnaker Dumas Automatic

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

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

12 of 29 specs differ

Diameter

Khaki Field Mechanical Bronze38mm

Dumas Automatic44mm

Power Reserve

Khaki Field Mechanical Bronze80h

Dumas Automatic40h

Water Resistance

Khaki Field Mechanical Bronze50m

Dumas Automatic300m

MSRP

Khaki Field Mechanical Bronze$1,025

Dumas Automatic$239

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

White

Blue

Movement

3 specs

Caliber

H-50

SII NH35A

Type

Manual

Automatic

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,025

$239

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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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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