The Patek Philippe Chronograph 5170G is encased in white gold on a black alligator strip. It's 39mm across the round of the case, 47.4mm from lug-to-lug, and 11.1mm thick.

The 5070J meanwhile is encased in yellow gold, also on a black alligator strap with a deployant buckle. It measures a 42mm case and 11.1mm thickness with diamond polished gold numerals.

For full details on both watches and for a complete comparison, view the whole review!

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