Side by side

Marathon Steel Navigator SSNAV-D AutovsTornek-Rayville TR-660 Acrylic Date

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

Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400
TR-660 Acrylic Date
Tornek-RayvilleTR-660 Acrylic Date

At a glance

11 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
TR-660 Acrylic Date40mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
TR-660 Acrylic Date50h
Water Resistance
Steel Navigator SSNAV-D Auto60m
TR-660 Acrylic Date200m
MSRP
Steel Navigator SSNAV-D Auto$1,400
TR-660 Acrylic Date

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
40mm
Thickness
11mm
14.7mm
Lug-to-Lug
48mm
48.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
None
Superluminova

Movement

2 specs
Caliber
Sellita SW220-1
TMI NH38
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$1,400

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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-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

Tornek-Rayville TR-660 Acrylic Date

Owners widely praise the exceptional build quality for the price, noting a solid feel, quiet rotor, and good bezel action on the Tornek-Rayville TR-660 Acrylic Date. Reviewers highlight its utilitarian, non-reflective matte black dial and the inclusion of a moisture detector, echoing its military-issued predecessor. One owner found the lume dim and short-lived. Overall, owners rate the Tornek-Rayville TR-660 Acrylic Date highly for its robust construction and military-inspired design cues at its price point.

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