Which is cheaper, the Pagani Design PD-1639 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

At MSRP the Pagani Design PD-1639 is the cheaper of the two at $120, against $1,375 for the Hamilton Khaki Aviation X-Wind Day Date Auto — a $1,255 gap before any retailer discounting.

Which is bigger, the Pagani Design PD-1639 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Hamilton Khaki Aviation X-Wind Day Date Auto wears larger at 45mm versus 43mm for the Pagani Design PD-1639 — a 2mm difference across the dial.

Which has a longer power reserve, the Pagani Design PD-1639 or the Hamilton Khaki Aviation X-Wind Day Date Auto?

The Hamilton Khaki Aviation X-Wind Day Date Auto carries a 80-hour power reserve against 42 hours on the Pagani Design PD-1639.

Side by side

Pagani Design PD-1639vsHamilton Khaki Aviation X-Wind Day Date Auto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Pagani Design PD-1639

1639

MSRP $120

Hamilton Khaki Aviation X-Wind Day Date Auto

h77735560

MSRP $1,375

At a glance

9 of 29 specs differ

Diameter

PD-163943mm

Khaki Aviation X-Wind Day Date Auto45mm

Power Reserve

PD-163942h

Khaki Aviation X-Wind Day Date Auto80h

Water Resistance

PD-1639100m

Khaki Aviation X-Wind Day Date Auto100m

MSRP

PD-1639$120

Khaki Aviation X-Wind Day Date Auto$1,375

Full specifications

Case

4 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Green

Movement

2 specs

Caliber

—

H-30

Power Reserve

42h

80h

Pricing

1 specs

MSRP

$120

$1,375

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Pagani Design PD-1639

Pagani Design PD-1639 owners widely praise its exceptional value, citing the Seiko NH35 movement, sapphire crystal, ceramic bezel, and 10 ATM water resistance at a price point around $60-$75. Some owners report a loose or misaligned bezel, with one noting a 90-click mechanism and another finding the lume fades quickly. On balance, owners rate the Pagani Design PD-1639 highly for its impressive finishing and value proposition at the price.

From video reviewers

The watch offers excellent value for its price point, with reviewers noting the ceramic bezel and sapphire crystal. The bracelet quality is also cited as a strength. The 43mm case size is a notable drawback for some.

WatchUSeek

Hamilton Khaki Aviation X-Wind Day Date Auto

Owners widely praise the Hamilton Khaki Aviation X-Wind Day Date Auto for its value, technical aesthetic, and versatile wearability with straps. Reviewers and owners alike highlight its excellent legibility, bold Arabic numerals, and the appeal of its pilot watch design, with many appreciating the 80-hour power reserve. Some owners find the crosswind calculation functions unnecessary, and there are mixed views on the dial's font usage and color matching. Lume is frequently noted as weak, and some find the size large or the left-handed crown and pusher setup uncomfortable. Accuracy figures range from gaining 6 seconds in a few days to approximately -6 seconds per day. Overall, owners rate the Hamilton Khaki Aviation X-Wind Day Date Auto highly for its impressive value and functional pilot watch design.

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