Side by side
Duckworth Prestex Bolton AutomaticvsFortis Marinemaster M-40
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Bolton Automatic39mm
Marinemaster M-4040mm
Power Reserve
Bolton Automatic40h
Marinemaster M-4038h
Water Resistance
Bolton Automatic200m
Marinemaster M-40300m
MSRP
Bolton Automatic$776
Marinemaster M-40$3,520
Full specifications
Case
6 specsCategory
—
Diver
Diameter
39mm
40mm
Thickness
11mm
13mm
Lug-to-Lug
46.5mm
—
Lug Width
20mm
21mm
Water Resistance
200m
300m
Crystal & Dial
1 specsDial Color
—
Orange
Movement
3 specsCaliber
Miyota 82S5
Sellita SW220-1
Power Reserve
40h
38h
Jewels
25
26
Pricing
1 specsMSRP
—
$3,520
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