Formex Essence ThirtyNinevsStowa Partitio 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

Partitio Classic
Diameter
39mm
37mm
Lug-to-Lug
45mm
lowest
46.9mm
Thickness
10mm
lowest
10.9mm
Water Resistance
100m
n/a
Power Reserve
41h
n/a
MSRP
$2,390
n/a
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 specsCrystal & Dial
2 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.
Owners widely praise the Stowa Partitio Classic's 37mm size as perfect for everyday wear and future inheritance, appreciating its classic Bauhaus design, well-executed dial typography, and the "HANDAUFZUG" marking. The Super-Luminova Old Radium coloring and traditional Stowa logo are also noted aesthetic highlights, contributing to its unique classic appeal. The watch's build quality is considered excellent, comparable to other respected German brands, and its curved case with a 47mm lug-to-lug ensures comfortable wearability. Some consider it a military-style watch, while others see it as a perfect unique classic for daily use. The Partitio Black Automatic offers good value under $1,000, though the movement finishing is basic and the sapphire crystal lacks anti-reflection. Overall, owners rate the Stowa Partitio Classic highly for its classic aesthetics and comfortable 37mm wearability at its price point.
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