Seiko Prospex Sea 1968 Heritage Diver's GMT Limited EditionvsSpinnaker Fleuss

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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 Limited Edition at true scale

Prospex Sea 1968 Heritage Diver's GMT Limited Edition

Spinnaker Fleuss at true scale

Fleuss

Diameter

42mm

43mm

Lug-to-Lug

48.6mm

lowest

51mm

Thickness

13.3mm

13mm

lowest

Water Resistance

300m

highest

150m

Power Reserve

72h

n/a

MSRP

$1,750

$209

lowest

Movement

Seiko 6R54

Seiko NH35

Case

6 specs
Diameter
42mm
43mm
Thickness
13.3mm
13mm
Lug-to-Lug
48.6mm
51mm
Lug Width
20mm
22mm
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
Lumber Black
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
$209
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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 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 Fleuss

The Spinnaker Fleuss is praised for its retro design, textured dial, and good value, especially with discounts, offering a Blancpain Fifty-Five homage. Owners report superb build quality and finish for the price, with one noting it looks better in person than in website photos. The dial is well lumed, and the watch keeps good time with a decent power reserve. However, some find the 43mm case on the larger side, and one owner found the included leather strap too thick. Concerns have been raised about the acrylic bezel's durability and the watch's origin in Hong Kong. Overall, owners and reviewers rate the Spinnaker Fleuss highly for its attractive design and strong build quality at its price point.

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