Side by side

Hamilton American Classic Intra-Matic Chronograph HvsSpinnaker Bradner GMT

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
American Classic Intra-Matic Chronograph H40mm
Bradner GMT42mm
Power Reserve
American Classic Intra-Matic Chronograph H60h
Bradner GMT40h
Water Resistance
American Classic Intra-Matic Chronograph H100m
Bradner GMT180m
MSRP
American Classic Intra-Matic Chronograph H$2,495
Bradner GMT$299

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
40mm
42mm
Thickness
14.35mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

1 specs
Dial Color
White
Brown

Movement

3 specs
Caliber
H-51
Seiko NH34A
Type
Manual
Automatic
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,495
$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 American Classic Intra-Matic Chronograph H

The Hamilton American Classic Intra-Matic Chronograph H is widely praised for its attractive vintage-inspired design, clean dial legibility, and satisfying manual-wind experience. Owners and reviewers highlight its retro charm, often described as elegant and classy with a 1960s aesthetic, and its well-balanced panda or reverse panda dial configurations. The H-51 hand-wound movement is noted for its torquey feel and a 60-hour power reserve, with timekeeping reported around +3 seconds per day. The 40mm case size is considered welcome, though its 14.35mm thickness is frequently mentioned as being on the thicker side for a hand-wound chronograph, despite wearing well on the wrist. Some owners expressed a desire for a three-subdial layout, and one noted the OEM strap was utilitarian, while another found the rotor audible and the date setting unusual. The Hamilton American Classic Intra-Matic Chronograph H is priced around $2,045 to $2,095 on bracelet.

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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