Side by side

Hamilton Jazzmaster Gent QuartzvsSpinnaker Bradner GMT

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

Jazzmaster Gent Quartz
HamiltonJazzmaster Gent Quartz
MSRP $745
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Gent Quartz40mm
Bradner GMT42mm
Power Reserve
Jazzmaster Gent Quartz40h
Bradner GMT40h
Water Resistance
Jazzmaster Gent Quartz50m
Bradner GMT180m
MSRP
Jazzmaster Gent Quartz$745
Bradner GMT$299

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
40mm
42mm
Thickness
10.2mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
180m

Crystal & Dial

1 specs
Dial Color
Blue
Brown

Movement

2 specs
Caliber
F06.111
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$745
$299

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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 Gent Quartz

Owners widely praise the Hamilton Jazzmaster Gent Quartz for its dressier, unique aesthetic, with specific admiration for the dark, iridescent dial and the machine-work on the minute markers. The 40mm size is considered suitable for smaller wrists, though lug-to-lug measurements are debated. Some owners find the open-heart dial busy and difficult to read due to silver lines resembling hands, and the skeleton version is also noted for excessive branding. The H-20-S movement in the skeleton model is thought to have a 42-hour power reserve. Overall, owners appreciate the Hamilton Jazzmaster Gent Quartz for its distinctive mid-century modern design and detailed finishing.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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