Formex Essence ThirtyNinevsGlycine Combat Classic
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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

Combat Classic
Diameter
39mm
43mm
Lug-to-Lug
45mm
n/a
Thickness
10mm
lowest
10.7mm
Water Resistance
100m
highest
50m
Power Reserve
41h
highest
38h
MSRP
$2,390
$540
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
7 specsCrystal & Dial
5 specsMovement
3 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 praise the Glycine Combat Classic line for its quality and finishing relative to price. One owner notes their 42mm Combat Sub has proven durable and accurate despite rough use. However, some owners find the 42mm size to be too large. On balance, owners rate the Glycine Combat Classic line highly for its durability and value.
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