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Duckworth Prestex Belmont 300 AutomaticvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited 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 Black Series Limited Edition
SeikoProspex Sea 1970 Heritage Diver's Black Series Limited Edition
MSRP $3,300
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At a glance

12 of 29 specs differ
Diameter
Belmont 300 Automatic42mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Belmont 300 Automatic38h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Belmont 300 Automatic300m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Belmont 300 Automatic$750
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

4 specs
Category
—
Diver
Diameter
42mm
44mm
Lug-to-Lug
50mm
49.3mm
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
8L35
Power Reserve
38h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$750
$3,300
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