Citizen Series 8 831vsJack Mason Canton Salt
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Series 8 831

Canton Salt
Diameter
40mm
39mm
Lug-to-Lug
n/a
46mm
Thickness
n/a
10.8mm
Water Resistance
100m
150m
highest
Power Reserve
42h
68h
highest
MSRP
$1,095
lowest
$1,199
Movement
Miyota 9051
La Joux-Perret G100
Case
4 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Citizen Series 8 831 for its impressive finishing and textured dials, with the blue dial and bracelet play of light specifically noted as luxurious and comfortable on the wrist. The watch utilizes the Miyota 9051 automatic movement, offers 100m water resistance, and features a 40mm case. Accuracy is reported between -10 to +20 seconds per day with a 42-hour power reserve. On balance, owners and reviewers rate the Citizen Series 8 831 highly for its luxurious feel and dial finishing at its price point.
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.
Owners and reviewers widely praise the Jack Mason Canton Salt for its high-quality finishing, textured dials, and the La Joux-Perret G100 automatic movement. The 39mm case is noted as slim and comfortable, with a hard-coated finish and a well-finished Oyster-style bracelet featuring toolless micro-adjustment. Some owners find the case proportions stubby and the design uninspired, while others appreciate the versatility of the white dial and the overall feel and finishing, comparing it favorably to brands like Longines and Christopher Ward. A less secure micro-adjustment system on the clasp and overly tight Loctite on bracelet screws are noted criticisms. On balance, owners and reviewers rate the Jack Mason Canton Salt highly for its impressive finishing and movement at its price point.
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