Side by side

Hamilton Khaki Aviation X-Wind Day Date AutovsSeiko Prospex Sea The Black Series

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

Khaki Aviation X-Wind Day Date Auto
HamiltonKhaki Aviation X-Wind Day Date Auto
MSRP $1,375
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation X-Wind Day Date Auto45mm
Prospex Sea The Black Series45mm
Power Reserve
Khaki Aviation X-Wind Day Date Auto80h
Prospex Sea The Black Series41h
Water Resistance
Khaki Aviation X-Wind Day Date Auto100m
Prospex Sea The Black Series200m
MSRP
Khaki Aviation X-Wind Day Date Auto$1,375
Prospex Sea The Black Series$765

Full specifications

Case

4 specs
Category
Pilot
Diver
Thickness
12.8mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
H-30
4R36
Power Reserve
80h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,375
$765

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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.

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.

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

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