Side by side

Hamilton Khaki Navy Frogman Titanium AutovsSeiko Prospex Sea Save the Ocean Special Edition

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

At a glance

11 of 29 specs differ
Diameter
Khaki Navy Frogman Titanium Auto46mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Khaki Navy Frogman Titanium Auto80h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Khaki Navy Frogman Titanium Auto1,000m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Khaki Navy Frogman Titanium Auto$1,675
Prospex Sea Save the Ocean Special Edition$650

Full specifications

Case

5 specs
Diameter
46mm
43.8mm
Thickness
15.95mm
12.8mm
Lug-to-Lug
46mm
48.7mm
Material
Titanium
Stainless Steel
Water Resistance
1000m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
H-10
4R35
Power Reserve
80h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$1,675
$650

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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 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 Sea Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

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