Side by side

Hamilton Jazzmaster Auto ChronovsSpinnaker Dumas Automatic

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

Jazzmaster Auto Chrono
HamiltonJazzmaster Auto Chrono
MSRP $2,095
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Auto Chrono42mm
Dumas Automatic44mm
Power Reserve
Jazzmaster Auto Chrono60h
Dumas Automatic40h
Water Resistance
Jazzmaster Auto Chrono100m
Dumas Automatic300m
MSRP
Jazzmaster Auto Chrono$2,095
Dumas Automatic$239

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42mm
44mm
Thickness
15.23mm
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
H-21
SII NH35A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,095
$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 Auto Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its value and dressy yet substantial look. The H-31 or adapted 7753 movement is noted, alongside a 60-hour power reserve. Some owners prefer a 3-6-9 subdial layout or a smaller case size, and the movement's thickness makes it unsuitable for those seeking a slim watch. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its value and refined aesthetic.

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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