Hamilton Jazzmaster Performer AutomaticvsKARL-LEIMON 3Hands Date

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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.

Hamilton Jazzmaster Performer Automatic at true scale

Jazzmaster Performer Automatic

KARL-LEIMON 3Hands Date at true scale

3Hands Date

Diameter

38mm

40mm

Thickness

11.5mm

9.8mm

lowest

Water Resistance

100m

highest

50m

Power Reserve

80h

n/a

MSRP

$1,245

$685

lowest

Movement

Hamilton H-10

Miyota 9015

Case

4 specs
Category
Dress
n/a
Diameter
38mm
40mm
Thickness
11.47mm
9.8mm
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Blue
n/a

Movement

2 specs
Caliber
Hamilton H-10
Miyota 9015
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,245
$685
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Hamilton Jazzmaster Performer Automatic

Owners widely praise the Hamilton Jazzmaster Performer Automatic for its clean look, comfort, and stylish design, with one owner noting accuracy averaging just over 2 seconds per day. The 38mm case size is generally considered wearable, though one owner found the 34mm variant too small. A common point of contention among enthusiasts is a dislike for open-heart designs, which some find cluttered. One owner reported an internal movement failure causing the time to jump back, which was resolved through service. On balance, owners and reviewers rate the Hamilton Jazzmaster Performer Automatic highly for its comfort and attractive design at its price point.

KARL-LEIMON 3Hands Date

Owners widely praise the KARL-LEIMON 3Hands Date for its exceptional value and "Made in Japan" craftsmanship, highlighting its vibrant blue sunray dial, applied markers, and well-proportioned hands for excellent legibility. Reviewers note the 40mm case is eminently wearable, with a slim 9.8mm profile and a seamlessly integrated H-link bracelet that blends vintage cues with modern execution, making it versatile for work and casual settings. The Miyota 9015 automatic movement is a reliable component, and the watch is offered at an accessible price point. On balance, owners and reviewers rate the KARL-LEIMON 3Hands Date highly for its cohesive integrated-bracelet design and impressive finishing at the price.