Ratio FreeDiver 200MvsSeiko Prospex Sea Save the Ocean Special Edition

FreeDiver 200M
RatioFreeDiver 200M

Ref. ratio-freediver-sapphire-stainless-steel-salmon-dial-automatic-rtf046-200m-mens-watch·MSRP $125

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Ratio FreeDiver 200M at true scale

FreeDiver 200M

Seiko Prospex Sea Save the Ocean Special Edition at true scale

Prospex Sea Save the Ocean Special Edition

Diameter

43.5mm

45mm

Lug-to-Lug

n/a

47.7mm

Thickness

13mm

lowest

13.2mm

Water Resistance

200m

200m

Power Reserve

40h

41h

highest

MSRP

$125

lowest

$625

Movement

Seiko NH35

Seiko 4R36

Case

4 specs
Diameter
43.5mm
45mm
Thickness
13mm
13.2mm
Lug-to-Lug
n/a
47.7mm
Lug Width
n/a
22mm

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R36
Power Reserve
40h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$125
$625
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Reviews

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

Ratio FreeDiver 200M

Owners widely praise the Ratio FreeDiver 200M Automatic as a great value, with one owner specifically noting its lume is very good. The watch is considered a noticeable step up in general quality compared to other budget brands. One owner purchased an orange variant for around $100. Overall, owners rate the Ratio FreeDiver 200M Automatic highly for its exceptional value at the price point.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its exceptional and unique dial designs, often described as a highlight with wave patterns, lagoon hues, or even manta rays, offering a "Grand Seiko feel" at a regular Seiko price. Owners and reviewers consistently note the attractive color combinations and textured appearances, making it a standout feature. The watch is generally considered solidly built and good value, with satisfactory lume and smooth bezel operation. However, the bracelet and clasp are frequently criticized as underwhelming, rattly, and lacking a convenient diver's extension, a common complaint across several Seiko models. Some owners also express a desire for exhibition casebacks or note potential quality control issues such as misaligned bezels or day/date wheels. Overall, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its visually striking and unique dial designs at an accessible price point.

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