Side by side

Hamilton Khaki Navy Frogman Titanium AutovsSeiko Prospex LX line

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

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 Navy Frogman Titanium Auto

Owners widely praise the Hamilton Khaki Navy Frogman Titanium Auto for its durability, bold design, and titanium case construction, with some noting its comfortable wearability and precise +2 seconds per day accuracy. Reviewers highlight the 46mm model's 1000m water resistance and 80-hour power reserve from the H-10 movement. However, the large 46mm case size is frequently cited as a drawback for everyday wear, and some find the rubber strap stiff, the bezel grip challenging when wet, and the crown difficult to grip. One owner reports that the lume is not strong. On balance, owners and reviewers appreciate the Hamilton Khaki Navy Frogman Titanium Auto for its robust build and dive-ready specifications, with the primary caveat being its substantial case dimensions.

From video reviewers

The bezel action and dial are highlighted as strengths. The watch's size, specifically its thickness and lug-to-lug measurement, is a shared concern. Reviewers disagreed on the oversized crown lock, with one finding it a drawback and another not mentioning it.

Seiko Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

At a glance

12 of 29 specs differ
Diameter
Khaki Navy Frogman Titanium Auto46mm
Prospex LX line44.8mm
Power Reserve
Khaki Navy Frogman Titanium Auto80h
Prospex LX line72h
Water Resistance
Khaki Navy Frogman Titanium Auto1,000m
Prospex LX line300m
MSRP
Khaki Navy Frogman Titanium Auto$1,675
Prospex LX line$6,500

Full specifications

Case

4 specs
Diameter
46mm
44.8mm
Thickness
15.95mm
15.7mm
Lug-to-Lug
0mm
50.9mm
Water Resistance
1000m
300m

Crystal & Dial

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

Movement

4 specs
Caliber
H-10
5R65
Type
Automatic
Spring Drive
Power Reserve
80h
72h
Jewels
0
30

Pricing

1 specs
MSRP
$1,675
$6,500
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