Formex Essence ThirtyNinevsHamilton Jazzmaster Slim Auto

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Essence ThirtyNine

Jazzmaster Slim Auto
Diameter
39mm
40mm
Lug-to-Lug
45mm
n/a
Thickness
10mm
8.3mm
lowest
Water Resistance
100m
highest
30m
Power Reserve
41h
50h
highest
MSRP
$2,390
$825
lowest
Movement
Sellita SW200-1
Automatic
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Formex Essence ThirtyNine is widely praised for its build quality and value, featuring a patented case suspension system for comfort and protection. Reviewers note its 39mm case with a 10mm thickness and 45mm lug-to-lug distance, housing a COSC-certified Sellita SW200-1 movement. It includes a tool-free strap quick-release system and a patented micro-adjusting bracelet for comfort, with pricing around $1,280-$1,390. One minor inconvenience noted is the clasp's specific closing order. Overall, owners and reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value proposition.
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.
Owners widely praise the Hamilton Jazzmaster Slim Auto for its elegance, light weight, and classy yet not boring aesthetic, with particular appreciation for its amazing leather strap and a slim 8mm thickness. Some find the 40mm case size appealing, while others mention a 43mm variant exists. The watch is noted for its ETA 2892 movement, positioning it competitively for its price. Overall, owners rate the Hamilton Jazzmaster Slim Auto highly for its slim profile and elegant design at the price.
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