Side by side
Hamilton Jazzmaster Auto ChronovsTowson Watch Co CHOPTANK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
11 of 29 specs differDiameter
Jazzmaster Auto Chrono42mm
CHOPTANK44mm
Power Reserve
Jazzmaster Auto Chrono60h
CHOPTANK—
Water Resistance
Jazzmaster Auto Chrono100m
CHOPTANK50m
MSRP
Jazzmaster Auto Chrono$2,095
CHOPTANK$5,500
Full specifications
Case
6 specsCategory
Chronograph
—
Diameter
42mm
44mm
Thickness
15.23mm
—
Lug Width
22mm
0mm
Material
Stainless Steel
Gold
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Sapphire
—
Dial Color
Black
—
Movement
2 specsCaliber
Hamilton H-21
Valjoux 7751
Power Reserve
60h
0h
Pricing
1 specsMSRP
$2,095
$5,500
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