This year’s Superbowl features a sibling rivalry between Baltimore Ravens’ Coach John Harbaugh and San Francisco 49ers Coach Jim Harbaugh. While only time will tell the victor on the turf, the wristwatch battle is already won – assuming John Harbaugh sports his classic Rolex Submariner (ref. 16610).

John’s brother, San Francisco 49ers coach Jim Harbaugh, is known to sport a digital watch on the field.

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