Hamilton Jazzmaster Maestro Auto ChronovsLongines Master Collection Chronograph
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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 Maestro Auto Chrono
Master Collection Chronograph
Diameter
45mm
44mm
Lug-to-Lug
n/a
51.8mm
Thickness
15.3mm
14.4mm
lowest
Water Resistance
100m
highest
30m
Power Reserve
60h
66h
highest
MSRP
$1,995
lowest
$3,800
Movement
Hamilton H-21
Longines L688.5
Case
6 specsCrystal & Dial
2 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono's premium case finishing and versatile dial layout, suitable for both casual and formal wear. Some owners note the 45mm size can be bulky and may not fit under shirt cuffs, and a lack of a second hand is a deal-breaker for some. Accuracy figures range from gaining about 5 seconds per day to keeping time within 10 seconds per day even after many years without service. Concerns exist regarding the serviceability and potential maintenance costs of the H-21 movement. Overall, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its substantial build quality and attractive design despite some size and movement serviceability considerations.
The Valjoux 7750 chronograph movement is cited as a strength. Reviewers noted the movement is not without flaws.
Owners praise the Longines MASTER COLLECTION CHRONOGRAPH for its excellent fit and finish and classic styling. One owner finds the column wheel chronograph and moon phase worth the price, noting the case finishing is somewhat homogenous and the chrono hour counter does not always reset perfectly. One owner noted scuffs on the case. On balance, owners rate the Longines MASTER COLLECTION CHRONOGRAPH well for its classic styling and value at its price point.
The polished steel case finishing and the elegant dial with Roman numerals and complications are praised. The bracelet's perceived lack of solid links and the overall high polish of the case were noted as potential drawbacks. Reviewers disagreed on the value proposition compared to other chronographs in the market.
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