Side by side
Sheffield GMTvsGruppo Gamma Field III GMT Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
GMT40mm
Field III GMT Date40mm
Power Reserve
GMT—
Field III GMT Date41h
Water Resistance
GMT200m
Field III GMT Date200m
MSRP
GMT—
Field III GMT Date$459
Full specifications
Case
3 specsThickness
13mm
14mm
Lug-to-Lug
48mm
48.5mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Blue
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Seiko NH34
Seiko Instruments NH38A
Power Reserve
—
41h
Complications
None
GMT, Date
Pricing
1 specsMSRP
—
$459
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