Side by side

Marathon Steel Navigator SSNAV QuartzvsFormex Reef 42 mm

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

Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

12 of 29 specs differ
Diameter
Steel Navigator SSNAV Quartz41mm
Reef 42 mm42mm
Power Reserve
Steel Navigator SSNAV Quartz40h
Reef 42 mm56h
Water Resistance
Steel Navigator SSNAV Quartz60m
Reef 42 mm300m
MSRP
Steel Navigator SSNAV Quartz$1,000
Reef 42 mm$2,414

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
41mm
42mm
Thickness
11mm
11.4mm
Lug-to-Lug
48mm
47mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
300m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Swiss High-Torque Quartz
Sellita SW300-1
Type
Quartz
Automatic
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$1,000
$2,414

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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.

Marathon Steel Navigator SSNAV Quartz

The Marathon Steel Navigator SSNAV Quartz is widely praised for its highly accurate Swiss Made ETA F06.412 PreciDrive movement, with stated accuracy of ±10 seconds per year, and its constant low-light visibility from self-illuminating tritium tubes. Owners find the watch comfortable and impressive, noting its 41mm sandblasted steel case with an asymmetrical design, bi-directional GMT bezel with excellent action, sapphire crystal, and 100m water resistance with a screw-down crown. On balance, owners and reviewers rate the Marathon Steel Navigator SSNAV Quartz highly for its robust tool watch design and exceptional accuracy at its price point.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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