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Formex Essence ThirtyNinevsHamilton American Classic RailRoad Auto Chrono

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

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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.

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 American Classic RailRoad Auto Chrono

Owners widely praise the Hamilton American Classic RailRoad Auto Chrono for its historical brand appeal and spectacular appearance, calling the ETA 7750 movement a "tank" and appreciating the date magnifier's integration. Some find its design a bit busy compared to other models. One owner notes an 80-hour power reserve from the H-10 movement and a 40mm case with turned-down lugs for a thinner appearance. Overall, owners rate the Hamilton American Classic RailRoad Auto Chrono highly for its historical brand appeal and robust movement at its price point.

At a glance

11 of 29 specs differ
Diameter
Essence ThirtyNine39mm
American Classic RailRoad Auto Chrono44mm
Power Reserve
Essence ThirtyNine41h
American Classic RailRoad Auto Chrono60h
Water Resistance
Essence ThirtyNine100m
American Classic RailRoad Auto Chrono50m
MSRP
Essence ThirtyNine$2,390
American Classic RailRoad Auto Chrono$2,045

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
39mm
44mm
Thickness
10mm
15.3mm
Lug-to-Lug
45mm
0mm
Lug Width
20mm
22mm
Water Resistance
100m
50m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW200-1
Hamilton H-21
Power Reserve
41h
60h

Pricing

1 specs
MSRP
$2,390
$2,045
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