Duckworth Prestex Belmont 300 AutomaticvsSeiko Prospex Sea PADI Special 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 PADI Special Edition at true scale

Prospex Sea PADI Special Edition

Diameter

42mm

41.7mm

Lug-to-Lug

50mm

49.5mm

lowest

Thickness

13mm

12.3mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

38h

41h

highest

MSRP

$750

$650

lowest

Movement

Miyota 9039

Seiko 4R35

Case

5 specs
Diameter
42mm
41.7mm
Thickness
13mm
12.3mm
Lug-to-Lug
50mm
49.5mm
Lug Width
n/a
20mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
Seiko 4R35
Power Reserve
38h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$750
$650
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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 PADI Special Edition

Owners widely praise the Seiko Prospex Sea PADI Special Edition for its value, attractive PADI color scheme, and excellent lume. Reviewers highlight its proven design, strong functionality, and classic Seiko diver charm, with a matte black dial and large markers being a common point of appreciation. The bezel action is noted as being smoother and more precise than previous models, and the build quality is described as amazing. Some owners find the dial's wave pattern a favorite, though it may not stand out without direct light. The movement's stated accuracy range is +45 to -35 seconds per day, and the divers extension is a point of disappointment for some due to difficulty in opening. The bracelet adjustment is also noted as a pain point, though manageable. Overall, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its exceptional value and classic diver aesthetic.

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