Hamilton Jazzmaster Performer Auto chronovsLIV Watches GX-AC

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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 Auto chrono at true scale

Jazzmaster Performer Auto chrono

LIV Watches GX-AC at true scale

GX-AC

Diameter

42mm

46mm

Lug-to-Lug

50mm

n/a

Thickness

15.2mm

lowest

15.5mm

Water Resistance

100m

100m

Power Reserve

60h

highest

42h

MSRP

$2,645

$1,670

lowest

Movement

Hamilton H-31

Valjoux 7750

Case

4 specs
Diameter
42mm
46mm
Thickness
15.22mm
15.5mm
Lug-to-Lug
50mm
n/a
Lug Width
22mm
23mm

Crystal & Dial

1 specs
Dial Color
White
n/a

Movement

2 specs
Caliber
Hamilton H-31
Valjoux 7750
Power Reserve
60h
42h

Pricing

1 specs
MSRP
$2,645
$1,670
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Reviews

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

Hamilton Jazzmaster Performer Auto chrono

Owners widely praise the Hamilton Jazzmaster Performer Auto chrono for its sporty design and value, with one owner calling it a great first "grown-up watch." Reviewers note its 42mm case and 60-hour power reserve from the H-31 movement, with a thickness of 15.22mm considered wearable due to balanced construction. The watch is seen as a good entry-level Swiss option with desirable features and a reputable brand name. Some owners report an 80-hour power reserve. The strap is described as stiff out of the box and on the shorter side. Opinions are split on design originality, with some finding it too similar to other chronographs, while others consider it a stealthily beautiful "sleeper model." One owner questioned the bezel's functionality and another felt it might be small and pricey for its specifications. On balance, owners and reviewers rate the Hamilton Jazzmaster Performer Auto chrono highly for its sporty aesthetic and value proposition.

LIV Watches GX-AC

Owners widely report the LIV Watches GX-AC is a super solid, well-built timepiece that feels worth more than its price, with one owner calling it their "most sexy watch" and "go to watch" due to its toughness and aesthetics. Reviewers describe the GX-AC Signature Orange as a bold, tank-like chronograph with head-turning aesthetics, noting its 46mm case is surprisingly wearable due to curvature and black finish. On balance, owners and reviewers rate the LIV Watches GX-AC highly for its impressive build quality and striking design at its price point.

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