Side by side

Citizen Series 8 870vsMarathon Steel Navigator SSNAV-D Auto

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

Series 8 870
CitizenSeries 8 870
MSRP $1,095
Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400

At a glance

12 of 29 specs differ
Diameter
Series 8 87039mm
Steel Navigator SSNAV-D Auto41mm
Power Reserve
Series 8 87042h
Steel Navigator SSNAV-D Auto40h
Water Resistance
Series 8 870100m
Steel Navigator SSNAV-D Auto60m
MSRP
Series 8 870$1,095
Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

7 specs
Category
Sport
Pilot
Diameter
39mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
48mm
Lug Width
11mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
60m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Green
Black

Movement

2 specs
Caliber
9051
Sellita SW220-1
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,095
$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.

Citizen Series 8 870

The Citizen Series 8 870 is praised for its compelling value proposition and modern Japanese design with a sporty edge. Reviewers note its 40mm steel case, glossy dial with applied markers, and the in-house Calibre 0950 automatic movement offering 50 hours of power reserve and enhanced magnetic resistance. The flat sapphire crystal is noted to collect fingerprints, and the solid caseback omits a view of the movement. The limited edition variant features a 40.8mm black DLC-coated case, a carbon fiber dial, and the 0950 movement regulated to -5/+10 seconds per day. Overall, the Citizen Series 8 870 is viewed as a strong offering for its blend of design and features.

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.

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