Side by side

Formex Essence ThirtyNinevsFortis Marinemaster M-40

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

Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

12 of 29 specs differ
Diameter
Essence ThirtyNine39mm
Marinemaster M-4040mm
Power Reserve
Essence ThirtyNine41h
Marinemaster M-4038h
Water Resistance
Essence ThirtyNine100m
Marinemaster M-40300m
MSRP
Essence ThirtyNine$2,390
Marinemaster M-40$3,520

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
39mm
40mm
Thickness
10mm
13mm
Lug-to-Lug
45mm
Lug Width
20mm
21mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Space Ghost
Orange
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW200-1
Sellita SW220-1
Power Reserve
41h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$2,390
$3,520

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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.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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