Hamilton Jazzmaster Seaview AutovsSpecht & Sohne Söhne SP0004 Automatic

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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.

Jazzmaster Seaview Auto

Söhne SP0004 Automatic
Diameter
37mm
37mm
Lug-to-Lug
n/a
44mm
Thickness
11.3mm
11mm
lowest
Water Resistance
100m
highest
50m
Power Reserve
42h
42h
MSRP
$945
$243
lowest
Movement
ETA 2824-2
Seiko NH35
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report the Hamilton Jazzmaster line offers great value for its price. After seven years of daily wear, one owner's Hamilton Jazzmaster Seaview Auto began gaining 15 seconds per day, which was corrected to +/- 4 seconds per day after servicing and a case replacement. Some enthusiasts in the community dislike open-heart dials, finding them cluttered. On balance, owners consider the Hamilton Jazzmaster line a good value proposition, with wearability and servicing being key considerations.
Owners widely praise the Specht & Sohne Specht & Söhne SP0004 Automatic for its excellent build quality and substantial 150g weight, which conveys a sense of quality. The inclusion of a zippered case and link removal tool is also noted. On balance, owners rate the Specht & Sohne Specht & Söhne SP0004 Automatic highly for its robust build and the included accessories.
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