Side by side

Hamilton Jazzmaster AutovsSpinnaker Bradner GMT

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

Jazzmaster Auto
HamiltonJazzmaster Auto
MSRP $1,125
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Auto36mm
Bradner GMT42mm
Power Reserve
Jazzmaster Auto80h
Bradner GMT40h
Water Resistance
Jazzmaster Auto50m
Bradner GMT180m
MSRP
Jazzmaster Auto$1,125
Bradner GMT$299

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
36mm
42mm
Thickness
10mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
18mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
180m

Crystal & Dial

1 specs
Dial Color
Black
Brown

Movement

2 specs
Caliber
H-10
Seiko NH34A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,125
$299

Follow this matchup

Get a note when Hamilton Jazzmaster Auto vs Spinnaker Bradner GMT gets more votes, a community discussion, or a price drop. No account needed.

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

The Hamilton Jazzmaster Auto is widely praised for its excellent value, clean and uncomplicated design suitable for various occasions, and comfortable wearability, with a 40mm or 42mm case size that is considered unobtrusive. Reviewers highlight its refined H-21 movement, which offers a 60-hour power reserve, and distinctive sunray dials. Overall, owners and reviewers rate the Hamilton Jazzmaster Auto highly for its impressive balance of contemporary style and traditional watchmaking at its price point.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.