Side by side

Hamilton Jazzmaster Thinline AutovsSpinnaker Dumas Automatic

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

Jazzmaster Thinline Auto
HamiltonJazzmaster Thinline Auto
MSRP $1,145
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Thinline Auto40mm
Dumas Automatic44mm
Power Reserve
Jazzmaster Thinline Auto42h
Dumas Automatic40h
Water Resistance
Jazzmaster Thinline Auto50m
Dumas Automatic300m
MSRP
Jazzmaster Thinline Auto$1,145
Dumas Automatic$239

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
44mm
Thickness
8.45mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Beige
Blue

Movement

2 specs
Caliber
2892-A2
SII NH35A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,145
$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 Thinline Auto

Owners widely praise the Hamilton Jazzmaster Thinline Auto for its gorgeous, stunning, and captivating dials, particularly the champagne and burgundy variants, and its thin, comfortable profile, often noted at around 7mm to 8.4mm, making it ideal for wearability under shirt cuffs. The ETA 2892 movement is considered a strong value, though some owners report the rotor can be noisy and the winding feel unrefined, while others find the small crown difficult to manipulate. The absence of a second hand is polarizing, with some appreciating the simplicity and ease of setting, while others miss its presence. Overall, owners rate the Hamilton Jazzmaster Thinline Auto highly for its attractive, thin design and dial beauty at its price point.

From video reviewers

The slim case profile and affordable price point are consistently praised. Reviewers noted the absence of a second hand.

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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