Side by side

Duckworth Prestex Belmont 300 AutomaticvsSeiko 5KX

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
5KX
Seiko5KX
MSRP $350
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Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Belmont 300 Automatic42mm
5KX42.5mm
Power Reserve
Belmont 300 Automatic38h
5KX41h
Water Resistance
Belmont 300 Automatic300m
5KX100m
MSRP
Belmont 300 Automatic$750
5KX$350

Full specifications

Case

6 specs
Category
—
Diver
Diameter
42mm
42.5mm
Thickness
13mm
13.4mm
Lug-to-Lug
50mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
—
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
4R36
Power Reserve
38h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$750
$350
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