Side by side

Formex Essence Leggera FortyOnevsMarathon Steel Navigator SSNAV Auto

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

Essence Leggera FortyOne
FormexEssence Leggera FortyOne
MSRP $2,520
Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300
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 Leggera FortyOne

The Formex Essence Leggera FortyOne is lauded for its exceptional comfort, stemming from its ultra-light forged carbon and ceramic construction, short lugs, and signature suspension system. Reviewers highlight the chronometer-certified Sellita SW200-1 movement and the compelling price point. Criticisms include a clasp that is considered too thick and lug holes that are too close for generic straps, limiting versatility for some. The push-pull crown design is noted as a potential drawback despite 100m water resistance. On balance, reviewers find the Formex Essence Leggera FortyOne a highly comfortable and well-specced watch for its price, particularly appreciating its lightweight construction.

From video reviewers

The watch's carbon fiber construction is praised for its durability and resistance to scratches. The lug-to-lug fit is slightly on the larger side, which may not suit those with smaller wrists.

Marathon Steel Navigator SSNAV Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

At a glance

10 of 29 specs differ
Diameter
Essence Leggera FortyOne41mm
Steel Navigator SSNAV Auto41mm
Power Reserve
Essence Leggera FortyOne41h
Steel Navigator SSNAV Auto40h
Water Resistance
Essence Leggera FortyOne100m
Steel Navigator SSNAV Auto60m
MSRP
Essence Leggera FortyOne$2,520
Steel Navigator SSNAV Auto$1,300

Full specifications

Case

6 specs
Category
Sport
Pilot
Thickness
11mm
11.5mm
Lug-to-Lug
46.4mm
48mm
Lug Width
22mm
20mm
Material
Carbon
316L Stainless Steel
Water Resistance
100m
60m

Crystal & Dial

2 specs
Dial Color
Space Glacier
Black
Lume
Super-LumiNova
None

Movement

1 specs
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$2,520
$1,300
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