Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionvsSpinnaker Croft
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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 Watch Limited Edition

Croft
Diameter
42mm
40mm
Lug-to-Lug
48.6mm
47mm
lowest
Thickness
13.3mm
lowest
14mm
Water Resistance
300m
highest
150m
Power Reserve
72h
n/a
MSRP
$1,750
$219
lowest
Movement
Seiko 6R54
Seiko NH35
Case
5 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 Watch Limited Edition is widely praised for its excellent quality and finishing for its price, with reviewers highlighting its beautiful case, bracelet, and Lumibrite lume. Owners appreciate the comfortable 42mm case size and the 4 o'clock crown position. The watch features a sapphire crystal and uses the in-house 6R54 automatic movement with a three-day power reserve. Some reviewers note that the GMT function is secondary and that the bezel clicks are quieter than expected. The 4:30 date window splits opinion among enthusiasts, and it is described as a "caller GMT" rather than a true "traveller GMT." Overall, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its excellent value, quality finishing, and comfortable wearability.
The Spinnaker Croft is widely praised for its value and vibrant dial colors, with reviewers noting its versatility and sapphire crystal. Owners and reviewers alike point to the bracelet and clasp as areas with budget-friendly limitations, citing friction-fit pins, sharp edges, and a stamped clasp with a stiff security lock. On balance, owners and reviewers rate the Spinnaker Croft well for its strong value proposition and appealing aesthetics at its price point.
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