Side by side

Hamilton Jazzmaster Chrono QuartzvsSunrex 321

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Jazzmaster Chrono Quartz
HamiltonJazzmaster Chrono Quartz
MSRP $1,075
321
Sunrex321
MSRP $600
What people say

Owners + reviewers, side by side

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

Hamilton Jazzmaster Chrono Quartz

Owners widely praise the Hamilton Jazzmaster Chrono Quartz for its excellent value, with some enthusiasts appreciating its unique styling. However, the open-heart design is a point of contention; some find it cluttered and prone to collecting dirt, while others report difficulty reading the time with it, particularly as eyesight declines. One owner notes the movement is not exceptional. On balance, owners consider the Hamilton Jazzmaster Chrono Quartz a superb deal, with its value being the primary draw.

Sunrex 321

The compact 37mm case size is a strength. The watch offers versatility with included FKM rubber and leather straps.

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Chrono Quartz42mm
32138.6mm
Power Reserve
Jazzmaster Chrono Quartz40h
32140h
Water Resistance
Jazzmaster Chrono Quartz100m
321100m
MSRP
Jazzmaster Chrono Quartz$1,075
321$600

Full specifications

Case

6 specs
Category
Chronograph
Diameter
42mm
38.6mm
Thickness
12.13mm
14mm
Lug-to-Lug
46mm
43.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
Aluminum

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
251.274
Epson VS76A
Type
Quartz
Solar

Pricing

1 specs
MSRP
$1,075
$600
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