Side by side

Sheffield 1AvsGruppo Gamma Field III GMT

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

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1A
Sheffield1A
MSRP $223
Field III GMT
Gruppo GammaField III GMT
MSRP $459
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Buy used on eBay ↗
Buy from Gruppo Gamma ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
1A40mm
Field III GMT40mm
Power Reserve
1A—
Field III GMT41h
Water Resistance
1A200m
Field III GMT200m
MSRP
1A$223
Field III GMT$459

Full specifications

Case

4 specs
Category
Diver
GMT
Thickness
12.8mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White/Blue
Black
Lume
Swiss blue lume
Super-LumiNova

Movement

3 specs
Caliber
Seiko NH35A
Seiko Instruments NH38A
Power Reserve
—
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$223
$459
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