Seiko Prospex Sea 1968 Heritage Diver's GMTvsTimefactors Baby Willard PRS-68
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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.

Prospex Sea 1968 Heritage Diver's GMT

Baby Willard PRS-68
Diameter
42mm
40.6mm
Lug-to-Lug
48.6mm
43.5mm
lowest
Thickness
12.9mm
lowest
13.7mm
Water Resistance
200m
200m
Power Reserve
72h
highest
50h
MSRP
$1,500
$450
lowest
Movement
Seiko 6R54
Seiko 6R15
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Timefactors Baby Willard PRS-68 for its great value and excellent Seiko 6R15 automatic movement, noting its ceramic bezel. A significant drawback is the difficulty in purchasing one due to limited availability and rapid sell-outs. One owner points out that the 18mm lug width can make strap selection challenging. Overall, owners rate the Timefactors Baby Willard PRS-68 highly for its impressive specifications and value, despite the acquisition challenges.
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