Which is cheaper, the Hamilton American Classic Intra-Matic Auto or the Isotope Mercury Shadow?

At MSRP the Hamilton American Classic Intra-Matic Auto is the cheaper of the two at $1,275, against $2,945 for the Isotope Mercury Shadow — a $1,670 gap before any retailer discounting.

Which is bigger, the Hamilton American Classic Intra-Matic Auto or the Isotope Mercury Shadow?

The Hamilton American Classic Intra-Matic Auto wears larger at 40mm versus 38mm for the Isotope Mercury Shadow — a 2mm difference across the dial.

Which has better water resistance, the Hamilton American Classic Intra-Matic Auto or the Isotope Mercury Shadow?

The Isotope Mercury Shadow is rated to 100m versus 50m for the Hamilton American Classic Intra-Matic Auto.

Which has a longer power reserve, the Hamilton American Classic Intra-Matic Auto or the Isotope Mercury Shadow?

The Hamilton American Classic Intra-Matic Auto carries a 80-hour power reserve against 42 hours on the Isotope Mercury Shadow.

What movement does the Hamilton American Classic Intra-Matic Auto run compared to the Isotope Mercury Shadow?

The Hamilton American Classic Intra-Matic Auto runs a automatic caliber (Hamilton H-10), while the Isotope Mercury Shadow runs a manual (ETA/Peseux 7001).