Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited EditionvsSpinnaker Spence 300

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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 Seiko Diver’s Watch 60th Anniversary Limited Edition at true scale

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

Spinnaker Spence 300 at true scale

Spence 300

Diameter

42mm

40mm

Lug-to-Lug

48.6mm

48mm

lowest

Thickness

13.3mm

11.5mm

lowest

Water Resistance

300m

300m

Power Reserve

72h

n/a

MSRP

$1,750

$650

lowest

Movement

Seiko 6R54

Seiko NH35

Case

4 specs
Diameter
42mm
40mm
Thickness
13.3mm
11.5mm
Lug-to-Lug
48.6mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
Aquamarine
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
$650
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Reviews

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

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

Owners find the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition very pretty with an excellent, non-bulky 42mm case. Reviewers note its upgraded clasp with a new diving suit extension system and a wave-patterned silvery-white dial. However, the price of €1900 for a Seiko 6R54 movement with accuracy of +25/-15 seconds per day is considered too expensive by some, and the 6000-unit production run is not seen as truly limited. On balance, owners and reviewers find the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition aesthetically pleasing with a comfortable case, though its value proposition is debated due to the movement's performance and price.

Spinnaker Spence 300

Owners widely praise the Spinnaker Spence 300 for its slim 10.9mm case and 40mm diameter, offering a comfortable and versatile wear. Reviewers and owners alike highlight its value, with some seeing it as a budget alternative to more expensive dive watches. The watch features a Seiko NH35 automatic movement and 300m water resistance. However, some community members find the dial printing and bracelet finishing to be less refined, and a few suggest other brands offer better value at similar price points. On balance, owners and reviewers rate the Spinnaker Spence 300 highly for its impressive case dimensions and overall value proposition.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.