Side by side

Sheffield 1A 40mmvsGruppo 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 40mm
Sheffield1A 40mm
MSRP $228
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
1A 40mm40mm
Field III GMT40mm
Power Reserve
1A 40mm40h
Field III GMT41h
Water Resistance
1A 40mm200m
Field III GMT200m
MSRP
1A 40mm$228
Field III GMT$459

Full specifications

Case

4 specs
Category
—
GMT
Thickness
13mm
14mm
Lug-to-Lug
48mm
48.5mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
—
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Seiko NH35
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$228
$459
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