Side by side

Formex Essence ThirtyNinevsHamilton Khaki Aviation Pilot Auto

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

From video reviewers

The case suspension system enhances comfort and the COSC-certified movement is a strong feature. The bracelet exhibits noticeable rattle. Reviewers disagreed on the ideal case size, with some preferring the 39mm and others the 41mm.

Hamilton Khaki Aviation Pilot Auto

The Hamilton Khaki Aviation Pilot Auto is widely praised for its legibility and value, with reviewers and owners highlighting its clear dial design, bold numerals, and effective Super-LumiNova. The 80-hour power reserve from the H-10 caliber is a consistent positive point. Owners and reviewers find the 36mm and 39mm sizes to be comfortable and versatile for everyday wear, though some find the hands on the 36mm model disproportionate or requiring adjustment. The watch offers 100m water resistance. On balance, the Hamilton Khaki Aviation Pilot Auto is highly regarded for its legibility, substantial power reserve, and everyday wearability at its price point.

From video reviewers

The 36mm case size makes the pilot's watch aesthetic more accessible. The watch offers 100 meters of water resistance. Reviewers expressed hesitation about long-term appeal or missing features.

At a glance

10 of 29 specs differ
Diameter
Essence ThirtyNine39mm
Khaki Aviation Pilot Auto36mm
Power Reserve
Essence ThirtyNine41h
Khaki Aviation Pilot Auto80h
Water Resistance
Essence ThirtyNine100m
Khaki Aviation Pilot Auto100m
MSRP
Essence ThirtyNine$2,390
Khaki Aviation Pilot Auto$1,125

Full specifications

Case

5 specs
Category
Dress
Pilot
Diameter
39mm
36mm
Thickness
10mm
11.15mm
Lug-to-Lug
45mm
0mm
Lug Width
20mm
18mm

Crystal & Dial

2 specs
Dial Color
Space Ghost
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
Hamilton H-10
Power Reserve
41h
80h

Pricing

1 specs
MSRP
$2,390
$1,125
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.

Follow this matchup

Get a note when Formex Essence ThirtyNine vs Hamilton Khaki Aviation Pilot Auto gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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