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.

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

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

Spinnaker Croft at true scale

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 specs
Diameter
42mm
40mm
Thickness
13.3mm
14mm
Lug-to-Lug
48.6mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko 6R54
Seiko NH35
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$1,750
$219
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Reviews

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

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

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.

Spinnaker Croft

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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