IWC Schaffhausen Ingenieur AutomaticvsJack 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.

Ingenieur Automatic

Canton Salt
Diameter
40mm
39mm
Lug-to-Lug
n/a
46mm
Thickness
10.7mm
lowest
10.8mm
Water Resistance
100m
150m
highest
Power Reserve
120h
highest
68h
MSRP
$12,900
$1,199
lowest
Movement
32111
La Joux-Perret G100
Case
6 specsCrystal & Dial
2 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The IWC Schaffhausen Iw328901 Ingenieur Automatic is widely praised for its refined Gerald Genta design, excellent case finishing, and comfortable 40mm wearability, with reviewers and owners highlighting its sophisticated proportions and shimmering dial pattern. Some owners cite an elevated price and a lack of micro-adjustments on the bracelet, while one reviewer notes its anti-magnetism relies on a soft iron core. Overall, owners and reviewers rate the IWC Schaffhausen Iw328901 Ingenieur Automatic highly for its faithful yet sophisticated reissue of the Genta design with enhanced ergonomics and finishing.
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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