Side by side
Duckworth Prestex Bolton AutomaticvsGruppo Gamma Field III GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Bolton Automatic39mm
Field III GMT40mm
Power Reserve
Bolton Automatic40h
Field III GMT41h
Water Resistance
Bolton Automatic200m
Field III GMT200m
MSRP
Bolton Automatic$776
Field III GMT$459
Full specifications
Case
5 specsCategory
—
GMT
Diameter
39mm
40mm
Thickness
11mm
14mm
Lug-to-Lug
46.5mm
48.5mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
—
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Miyota 82S5
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT
Pricing
1 specsMSRP
—
$459
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