Side by side

Hamilton Jazzmaster Performer Auto chronovsSpinnaker Bradner GMT

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

Jazzmaster Performer Auto chrono
HamiltonJazzmaster Performer Auto chrono
MSRP $2,645
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

9 of 29 specs differ
Diameter
Jazzmaster Performer Auto chrono42mm
Bradner GMT42mm
Power Reserve
Jazzmaster Performer Auto chrono60h
Bradner GMT40h
Water Resistance
Jazzmaster Performer Auto chrono100m
Bradner GMT180m
MSRP
Jazzmaster Performer Auto chrono$2,645
Bradner GMT$299

Full specifications

Case

5 specs
Category
Chronograph
GMT
Thickness
15.22mm
15mm
Lug-to-Lug
46mm
50mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

1 specs
Dial Color
White
Brown

Movement

2 specs
Caliber
H-31
Seiko NH34A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,645
$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 Performer Auto chrono

The Hamilton Jazzmaster Performer Auto chrono is praised as a good entry-level Swiss watch with desirable features and a reputable brand name, offering a sporty take on the Jazzmaster line with a 42mm case and a three-register layout. Owners note its 60-hour power reserve from the H-31 movement and find it a durable, stylish choice for daily wear. Some community members consider it a "sleeper model" with a stealthily beautiful design. However, some reviewers question its design originality, seeing similarities to other chronographs, and one commenter dislikes its 43mm case and long lug-to-lug measurement. The strap is described as stiff out of the box and on the shorter side. One owner questioned if the bezel was functional, and another felt it might be small and pricey for its specifications. Overall, owners and reviewers rate the Hamilton Jazzmaster Performer Auto chrono well for its value as an entry-level Swiss chronograph with desirable features and a reputable brand name.

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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