Side by side

Citizen Series 8 831vsMarathon Steel Navigator SSNAV-D Quartz

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

Series 8 831
CitizenSeries 8 831
MSRP $1,095
Steel Navigator SSNAV-D Quartz
MarathonSteel Navigator SSNAV-D Quartz
MSRP $1,300

At a glance

12 of 29 specs differ
Diameter
Series 8 83140mm
Steel Navigator SSNAV-D Quartz41mm
Power Reserve
Series 8 83142h
Steel Navigator SSNAV-D Quartz40h
Water Resistance
Series 8 831100m
Steel Navigator SSNAV-D Quartz60m
MSRP
Series 8 831$1,095
Steel Navigator SSNAV-D Quartz$1,300

Full specifications

Case

6 specs
Category
Sport
Pilot
Diameter
40mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
60m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Green
Black

Movement

3 specs
Caliber
9051
Swiss High-Torque Quartz
Type
Automatic
Quartz
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,095
$1,300

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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 8 831

Owners widely praise the Citizen Series 8 831 for its finishing, with one owner noting it exceeded expectations. Reviewers highlight the textured Ice Blue dial and the bracelet's play of light, contributing to a comfortable and luxurious feel on the wrist. The watch features a 40mm ion-plated stainless steel case, a sapphire crystal, and 100 meters of water resistance. It is powered by the in-house Miyota Caliber 9051 automatic movement, which has a 42-hour power reserve and an accuracy range of -10 to +20 seconds per day. On balance, owners and reviewers rate the Citizen Series 8 831 highly for its impressive finishing and dial design at its price point.

From video reviewers

The case finishing, with its contrasting brushed and polished surfaces, is a notable strength. The 40mm case size and comfortable fit are also consistently mentioned. Reviewers did not reach a consensus on any weaknesses.

Marathon Steel Navigator SSNAV-D Quartz

The Marathon Steel Navigator SSNAV-D Quartz is widely praised for its high-accuracy Swiss Made ETA F06.412 HeavyDrive-PreciDrive quartz movement, rated at +/- 10 seconds per year, and its tritium lume. Reviewers and owners highlight its functional tool-watch appeal, noting the sandblasted steel case with an asymmetric design, excellent bi-directional bezel action, and drilled lug holes. Some owners find it perfectly suited for sport/rugged use, though not necessarily as an everyday watch. One owner points out that the case's distinctive asymmetry deviates from current aesthetic trends. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Quartz highly for its robust build and exceptional timekeeping accuracy at its price point.

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