Side by side
Hamilton Jazzmaster Auto ChronovsMelbourne Watch Company Portsea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Jazzmaster Auto Chrono42mm
Portsea40mm
Power Reserve
Jazzmaster Auto Chrono60h
Portsea—
Water Resistance
Jazzmaster Auto Chrono100m
Portsea100m
MSRP
Jazzmaster Auto Chrono$1,845
Portsea$597
Full specifications
Case
5 specsCategory
Chronograph
—
Diameter
42mm
40mm
Thickness
14.83mm
13mm
Lug-to-Lug
46mm
—
Lug Width
22mm
—
Movement
2 specsCaliber
H-31
Miyota Cal. 9122
Power Reserve
60h
—
Pricing
1 specsMSRP
$1,845
—
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