Ratio FreeDiver 200M AutomaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT

FreeDiver 200M Automatic
RatioFreeDiver 200M Automatic

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 Automatic at true scale

FreeDiver 200M Automatic

Seiko Prospex Sea 1968 Heritage Diver's GMT at true scale

Prospex Sea 1968 Heritage Diver's GMT

Diameter

43.5mm

42mm

Lug-to-Lug

n/a

48.6mm

Thickness

13mm

12.9mm

lowest

Water Resistance

200m

200m

Power Reserve

40h

72h

highest

MSRP

$125

lowest

$1,500

Movement

Seiko NH35

Seiko 6R54

Case

4 specs
Diameter
43.5mm
42mm
Thickness
13mm
12.9mm
Lug-to-Lug
n/a
48.6mm
Lug Width
n/a
20mm

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 6R54
Power Reserve
40h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$125
$1,500
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Reviews

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

Ratio FreeDiver 200M Automatic

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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and value, with owners noting its comfortable wearability and attractive aesthetic, particularly the silver/white sunray dial and blue ceramic bezel. The improved bracelet clasp with excellent micro-adjustment is a recurring positive point. Some owners report accuracy figures of +3 seconds per day or +/- 5 seconds per day, exceeding the movement's stated range. However, the GMT functionality is considered secondary to its dive watch capabilities by some, with the GMT scale being difficult to read and the caller-style GMT movement being a drawback for certain users. The dial contrast is also noted as lacking by some, and the crown at 4 o'clock is undesirable for a few. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT highly for its blend of dive watch character and GMT functionality, offering significant features for its price.

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