Formex Essence ThirtyNinevsRolex Datejust
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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

Datejust
Diameter
39mm
31mm
Lug-to-Lug
45mm
n/a
Thickness
10mm
n/a
Water Resistance
100m
100m
Power Reserve
41h
55h
highest
MSRP
$2,390
lowest
$9,350
Movement
Sellita SW200-1
2236
Case
7 specsCrystal & Dial
4 specsMovement
7 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 Rolex Datejust is widely praised for its aesthetic variety, robust elegance, and versatility, making it suitable for daily wear in various settings. Owners consistently highlight the exceptional comfort of the Jubilee bracelet, with some preferring its "pizzazz" over the sportier Oyster bracelet. The 36mm size is frequently noted for its tasteful proportions, though opinions on dial colors and bezel styles, such as fluted or domed, vary among enthusiasts. Some configurations, particularly those with fluted bezels and Jubilee bracelets in specific dial colors, are considered highly sought-after, though wait times can be significant. The Rolex Datejust is not considered a good investment, as it typically depreciates upon purchase. Overall, owners and reviewers rate the Rolex Datejust highly for its versatile style and comfortable wearability, representing a foundational piece of the brand's legacy.
The fluted bezel is a consistent highlight. Reviewers did not agree on any specific weaknesses.
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