Side by side

Hamilton American Classic Chrono-Matic 50 Auto Chrono - Limited EditionvsSpinnaker Dumas GMT

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
American Classic Chrono-Matic 50 Auto Chrono - Limited Edition48mm
Dumas GMT44mm
Power Reserve
American Classic Chrono-Matic 50 Auto Chrono - Limited Edition60h
Dumas GMT40h
Water Resistance
American Classic Chrono-Matic 50 Auto Chrono - Limited Edition100m
Dumas GMT300m
MSRP
American Classic Chrono-Matic 50 Auto Chrono - Limited Edition$2,775
Dumas GMT$399

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
48mm
44mm
Thickness
16.05mm
15mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

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

Pricing

1 specs
MSRP
$2,775
$399

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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 Chrono-Matic 50 Auto Chrono - Limited Edition

The Hamilton American Classic Chrono-Matic 50 Auto Chrono Limited Edition is characterized by its substantial 48.5mm stainless steel case and a racing-inspired blue and orange colorway, featuring a reversed-panda dial with red accents. It is powered by the Caliber H-31 automatic chronograph movement, which provides a 60-hour power reserve, and offers 100 meters of water resistance. The limited edition piece, with only 150 examples produced, is priced at $2,545 USD. On balance, reviewers highlight the Hamilton American Classic Chrono-Matic 50 Auto Chrono Limited Edition's bold design and robust movement as its defining attributes.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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