Edox 1973 AutomaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT
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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.

1973 Automatic

Prospex Sea 1968 Heritage Diver's GMT
Diameter
41mm
42mm
Lug-to-Lug
n/a
48.6mm
Thickness
12.6mm
lowest
12.9mm
Water Resistance
200m
200m
Power Reserve
n/a
72h
MSRP
$1,190
lowest
$1,500
Movement
Caliber 80 (SW 200)
Seiko 6R54
Case
3 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Edox 1973 Automatic's reliable Sellita SW 200 automatic movement, noting it offers solid performance and good value as an entry-level Swiss watch. Some reviewers find certain dial elements and the date window color unnecessary, and the lume is not as strong as dedicated sport watches. On balance, owners and reviewers rate the Edox 1973 Automatic highly for its reliable movement and good value proposition.
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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