Side by side

Bremont Terra Nova 40.5vsHamilton Khaki Field Mechanical

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

Terra Nova 40.5
BremontTerra Nova 40.5
MSRP $3,250
Khaki Field Mechanical
HamiltonKhaki Field Mechanical
MSRP $725

At a glance

11 of 29 specs differ
Diameter
Terra Nova 40.540.5mm
Khaki Field Mechanical36mm
Power Reserve
Terra Nova 40.540h
Khaki Field Mechanical80h
Water Resistance
Terra Nova 40.5100m
Khaki Field Mechanical100m
MSRP
Terra Nova 40.5$3,250
Khaki Field Mechanical$725

Full specifications

Case

5 specs
Diameter
40.5mm
36mm
Thickness
11.11mm
10.2mm
Lug-to-Lug
46mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Acrylic
Dial Color
Green
Black

Movement

3 specs
Caliber
ENG300
H-50
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$3,250
$725

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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.

Bremont Terra Nova 40.5

The Bremont Terra Nova 40.5 Date Bronze is highlighted for its CuAl7Si2 bronze alloy case, which provides a warm, luxurious appearance and develops a gradual patina. It includes a gradient green dial with prominent Super-LumiNova numerals and a 40.5mm diameter. The watch is powered by the caliber BE-36AE, offering a 38-hour power reserve and 100m water resistance. The Bremont Terra Nova 38, a time-only field watch, features a 904L stainless steel case and vintage-inspired beige Super-LumiNova. Reviewers noted a preference for a screw-down crown and caseback for a field watch. On balance, reviewers praise the Bremont Terra Nova 40.5 Date Bronze for its distinctive bronze case and attractive dial, while noting the Terra Nova 38's utilitarian design and a preference for more robust water-resistance features on a field watch.

Hamilton Khaki Field Mechanical

Owners widely praise the Hamilton Khaki Field Mechanical as an archetype of a field watch, highlighting its thin case, excellent finishing, and smooth winding action, with some calling it the best pure field watch available. The daily winding ritual is considered a charming aspect of ownership, and the branding is noted as tasteful and subtle. One owner specifically appreciates the lugs. A drawback cited is the highly reflective, non-AR-coated crystal, and accuracy ranges from -6 seconds per day to unspecified better performance. Overall, owners rate the Hamilton Khaki Field Mechanical highly for its rugged, all-business aesthetic and value as a quintessential field watch.

From video reviewers

The watch's pure field style design is a significant strength. The lume brightness is a shared weakness. Reviewers disagreed on the power reserve, with one stating 80 hours and another 46 hours.

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