Side by side

Hamilton Jazzmaster Chrono QuartzvsSpinnaker Dumas Automatic

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
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Chrono Quartz42mm
Dumas Automatic44mm
Power Reserve
Jazzmaster Chrono Quartz40h
Dumas Automatic40h
Water Resistance
Jazzmaster Chrono Quartz100m
Dumas Automatic300m
MSRP
Jazzmaster Chrono Quartz$1,075
Dumas Automatic$239

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42mm
44mm
Thickness
12.13mm
15mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
251.274
SII NH35A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$1,075
$239

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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.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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