Side by side
Hamilton American Classic Intra-Matic Auto ChronovsSheffield GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
American Classic Intra-Matic Auto Chrono40mm
GMT40mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
GMT—
Water Resistance
American Classic Intra-Matic Auto Chrono100m
GMT200m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
GMT—
Full specifications
Case
4 specsCategory
Chronograph
GMT
Thickness
14.45mm
13mm
Lug-to-Lug
46mm
48mm
Water Resistance
100m
200m
Crystal & Dial
1 specsDial Color
White
Blue
Movement
2 specsCaliber
H-31
Seiko NH34
Power Reserve
60h
—
Pricing
1 specsMSRP
$2,645
—
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