Side by side

Formex Essence ThirtyNinevsLongines HYDROCONQUEST

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

21 of 29 specs differ
Diameter
Essence ThirtyNine39mm
HYDROCONQUEST41mm
Power Reserve
Essence ThirtyNine41h
HYDROCONQUEST72h
Water Resistance
Essence ThirtyNine100m
HYDROCONQUEST300m
MSRP
Essence ThirtyNine$2,390
HYDROCONQUEST$2,000

Full specifications

Case

9 specs
Category
Dress
Diver
Diameter
39mm
41mm
Thickness
10mm
11.9mm
Lug-to-Lug
45mm
53.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Space Ghost
Green
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
Sellita SW200-1
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
41h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,390
$2,000

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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