Formex Essence ThirtyNinevsGrand Seiko SBGA375
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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
SBGA375
Diameter
39mm
40mm
Lug-to-Lug
45mm
lowest
46.2mm
Thickness
10mm
lowest
12.5mm
Water Resistance
100m
100m
Power Reserve
41h
72h
highest
MSRP
$2,390
lowest
$5,600
Movement
Sellita SW200-1
Grand Seiko 9R65
Case
4 specsCrystal & Dial
3 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.
Grand Seiko SBGA375 owners praise its dial, Spring Drive movement, design, and finishing, with one owner mesmerized by the totality of the piece. Reviewers note the dial's legibility, even in low light, and the polished bevels on the hour markers that catch light well. One owner scuffed the bezel within a week of ownership. Some find other Grand Seiko models more appealing, and one user questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its subtle design and the engineering of its Spring Drive movement.
The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.
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