Hamilton Jazzmaster Seaview AutovsSeiko King Seiko Chronometer

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.

Seiko King Seiko Chronometer 5626-7170 owners praise its rare grey and "Superior Chronometer" dials for their depth and sunburst finishing, which are best appreciated in person. The 36mm case is noted to wear slightly larger due to its lugs. The 5626 movement is recognized as a higher-grade chronometer-adjusted caliber than the 5606, keeping accurate time. A known issue with the 5626 movement is the quick-set date function's susceptibility to failure due to a plastic part, with no replacement part developments reported. On balance, owners value the Seiko King Seiko Chronometer 5626-7170 for its distinctive dial finishing and chronometer-grade movement, despite the potential date function issue.