Side by side
Hamilton Jazzmaster Performer 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
12 of 29 specs differDiameter
Jazzmaster Performer Auto chrono42mm
CHOPTANK44mm
Power Reserve
Jazzmaster Performer Auto chrono60h
CHOPTANK—
Water Resistance
Jazzmaster Performer Auto chrono100m
CHOPTANK50m
MSRP
Jazzmaster Performer Auto chrono$2,645
CHOPTANK$5,500
Full specifications
Case
7 specsCategory
Chronograph
—
Diameter
42mm
44mm
Thickness
15.22mm
—
Lug-to-Lug
50mm
0mm
Lug Width
22mm
0mm
Material
Stainless Steel
Gold
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Sapphire
—
Dial Color
White
—
Movement
2 specsCaliber
Hamilton H-31
Valjoux 7751
Power Reserve
60h
0h
Pricing
1 specsMSRP
$2,645
$5,500
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