Duckworth Prestex Belmont 300 AutomaticvsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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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.

Duckworth Prestex Belmont 300 Automatic at true scale

Belmont 300 Automatic

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

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

Diameter

42mm

42mm

Lug-to-Lug

50mm

48.6mm

lowest

Thickness

13mm

lowest

13.3mm

Water Resistance

300m

300m

Power Reserve

38h

72h

highest

MSRP

$750

lowest

$1,750

Movement

Miyota 9039

Seiko 6R54

Case

3 specs
Thickness
13mm
13.3mm
Lug-to-Lug
50mm
48.6mm
Lug Width
n/a
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R54
Power Reserve
38h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$750
$1,750
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Reviews

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

Duckworth Prestex Belmont 300 Automatic

Owners find Duckworth Prestex watches interesting and good value, with the Belmont model specifically noted for its wavy dial pattern. Some owners consider the brand's price point ambitious compared to other microbrands. Overall, owners find Duckworth Prestex watches interesting and good value, particularly liking the Belmont model for its wavy dial pattern.

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.

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