Patek Philippe Aquanaut

Reference guide: 5165

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  • Case diameter: 38.8mm

  • Movement: caliber

    324 SC

  • Years of production: 2007 - 2012

Photo credit: The Keystone

Reference 5165A (steel)

The launch of reference 5165A (only made in steel) marked the tenth anniversary of the Aquanaut. It featured an updated 324 SC caliber and the same new dial design as reference 5167A. However, it retained the original 38.8mm ‘Jumbo’ case diameter from the 5065 reference, which we think is the perfect size for an Aquanaut. It also had a short production run of only 5 years and was produced in smaller quantities than reference 5167A. This makes it quite a rare and desirable reference!

The smaller 38.8mm case diameter is the main differentiator of reference 5165A compared to the more common 5167A. Photo credit: A Collected Man

The smaller 38.8mm case diameter is the main differentiator of reference 5165A compared to the more common 5167A. Photo credit: A Collected Man

The 5165A received an upgraded movement, caliber 324 SC. Photo credit: A Collected Man

The 5165A received an upgraded movement, caliber 324 SC. Photo credit: A Collected Man

Along with a new dial design, reference 5165A also received a new composite strap design which is integrated with the case and is also less flexible than the original rubber straps found on earlier Aquanauts. Along with the new strap also came a new

Along with a new dial design, reference 5165A also received a new composite strap design which is integrated with the case and is also less flexible than the original rubber straps found on earlier Aquanauts. Along with the new strap also came a new clasp design making the watch more secure on the wrist. Photo credit: The Keystone

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