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Duckworth Prestex Belmont 300 AutomaticvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Belmont 300 Automatic
Duckworth PrestexBelmont 300 Automatic
MSRP $750
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition
SeikoProspex Sea 1970 Heritage Diver's Save the Ocean Special Edition
MSRP $1,350
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At a glance

13 of 29 specs differ
Diameter
Belmont 300 Automatic42mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
Belmont 300 Automatic38h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
Belmont 300 Automatic300m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
Belmont 300 Automatic$750
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

5 specs
Category
—
Diver
Diameter
42mm
42.7mm
Thickness
13mm
13.2mm
Lug-to-Lug
50mm
46.4mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
6R35
Power Reserve
38h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$750
$1,350
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