Side by side
Sheffield 1A SCR II BluevsGruppo Gamma Field III GMT Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A SCR II Blue40mm
Field III GMT Date40mm
Power Reserve
1A SCR II Blue40h
Field III GMT Date41h
Water Resistance
1A SCR II Blue200m
Field III GMT Date200m
MSRP
1A SCR II Blue$278
Field III GMT Date$459
Full specifications
Case
4 specsCategory
—
GMT
Thickness
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 NH35
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT, Date
Pricing
1 specsMSRP
—
$459
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