Formex Essence ThirtyNinevsFears Brunswick 40.5 Jump Hour
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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

Brunswick 40.5 Jump Hour
Diameter
39mm
40.5mm
Lug-to-Lug
45mm
lowest
47mm
Thickness
10mm
lowest
12.8mm
Water Resistance
100m
100m
Power Reserve
41h
n/a
MSRP
$2,390
lowest
$4,498
Movement
Sellita SW200-1
Sellita SW200-1
Case
4 specsCrystal & Dial
3 specsMovement
1 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.
The Fears Brunswick 40.5 Jump Hour is lauded for its stunning aventurine and barleycorn guilloché dials, with reviewers calling it the best jump hour yet and owners finding its vintage-modern balance and finishing impressive. Some owners note legibility issues with the jump hour complication and consider it overpriced for the Sellita SW200 movement, which provides a 38-hour power reserve. One reviewer flags its 12.8mm thickness as potentially large for some wrists. Overall, owners and reviewers rate the Fears Brunswick 40.5 Jump Hour highly for its unique dial designs and sophisticated aesthetic.
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